CN201289538Y - Lens assembling body and photographic device - Google Patents
Lens assembling body and photographic device Download PDFInfo
- Publication number
- CN201289538Y CN201289538Y CNU2008201382408U CN200820138240U CN201289538Y CN 201289538 Y CN201289538 Y CN 201289538Y CN U2008201382408 U CNU2008201382408 U CN U2008201382408U CN 200820138240 U CN200820138240 U CN 200820138240U CN 201289538 Y CN201289538 Y CN 201289538Y
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- lens
- pressure ring
- entirety
- package body
- lens barrel
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Abstract
The utility model provides a lens assembly body and a camera device pursuing miniaturization. In the lens assembly body, a pressure ring (13) is fixed on a lens tube (12) through screwing an external screw (12a) which is arranged on the outer wall surface of the lens tube (12) and formed at the periphery part of a corresponding camera lens (11) into an internal screw (13a) which is formed on the inner wall surface of the pressure ring (13), and a bracket (14) is fixed on the pressure ring (13) through screwing an external (13b) formed on the outer wall surface of the pressure ring (13) into an internal screw (14a) formed on a lens frame (14).
Description
Technical field
The utility model relates to a kind of entirety of lens package body of the lens that are installed in imaging object light on the imaging apparatus and possesses the camera head of this entirety of lens package body.
Background technology
Since existing, known entirety of lens package body possesses: on imaging apparatuss such as CCD imaging apparatus the photographic lens of imaging object light, take in this photographic lens lens barrel, push the circumference of the photographic lens that is accommodated in this lens barrel pressure ring, the lens mount of above-mentioned imaging apparatus is installed.
Figure 10 is that the stereographic map of the part of the installation lens mount structure before of entirety of lens package body is in the past cut in expression.
Expression has photographic lens 101, the lens barrel 102 of taking in this photographic lens 101 that constitutes entirety of lens package body 100, the pressure ring 103 of pushing the circumference of this photographic lens 101 among Figure 10.Pressure ring 103 is provided in the rear end side of internal face and front opposition side object light A incident of lens barrel 102.Specifically, outside wall surface at pressure ring 103 is formed with external screw 103a, and the internal face rear end side at lens barrel 102 is formed with nut 102a, is threaded into this nut 102a by above-mentioned external screw 103a, and pressure ring 103 is fixed on the rear end side of the internal face of lens barrel 102.And, be formed with external screw 102b in the outside wall surface of lens barrel 102.
Figure 11 is the stereographic map of the part of the later structure of the installation lens mount of expression incision entirety of lens package body shown in Figure 10.
Figure 11 represents to have assembly 100, and this assembly 100 possesses above-mentioned photographic lens 101, lens barrel 102, pressure ring 103 and is installed in the lens mount 104 of lens barrel 102.
Need to prove that in fact lens mount 104 has the after-frame that is used for that this lens mount 104 is installed in the preceding frame of lens barrel 102 and is used to install imaging apparatus, but for convenience, only illustrates the preceding frame of lens mount 104 herein.Internal face at the preceding frame of this lens mount 104 is formed with nut 104a, by being screwed into the external screw 102b of the outside wall surface that is formed at lens barrel 102 at this nut 104a, and at lens barrel 102 lens mount 104 is installed.
Figure 12 is the stereographic map of the part of the expression installation lens mount structure before of cutting the entirety of lens package body different with in the past Figure 10, entirety of lens package body shown in Figure 11.
Figure 12 represents to have photographic lens 201, the lens barrel 202 of taking in this photographic lens 201 that constitutes entirety of lens package body 200, the pressure ring 203 of pushing the circumference of this photographic lens 201.Pressure ring 203 is provided in the rear end side of outside wall surface and front opposition side object light A incident of lens barrel 202.Specifically, the rear end side corresponding to above-mentioned circumference in the outside wall surface of lens barrel 202 forms external screw 202a, and the internal face at pressure ring 203 is formed with nut 203a, be threaded into this nut 203a by above-mentioned external screw 202a, pressure ring 203 is fixed on the rear end side of the outside wall surface of lens barrel 202.And the front in the rear end side that is fixed with pressure ring 203 of the outside wall surface of removing lens barrel 202 is formed with external screw 202b.
Figure 13 is the stereographic map of the part of the later structure of the installation lens mount of expression incision entirety of lens package body shown in Figure 12.
Figure 13 represents to have entirety of lens package body 200, and this entirety of lens package body 200 possesses above-mentioned photographic lens 201, lens barrel 202, pressure ring 203 and is installed in the lens mount 204 of lens barrel 202.Specifically, be formed with nut 204a, by being screwed into the external screw 202b of the outside wall surface front that is formed at lens barrel 202, and lens mount 204 be installed at lens barrel 202 at this nut 204a at the internal face of entirety of lens package body 204.
As for above-mentioned entirety of lens package body 100,200, when expectation is applied to in-vehicle camera etc., also can seek subminiaturization, so that expectation is loaded into is day by day little, the mobile phone of slimming etc. carries equipment.
Further, in patent documentation 1, propose to possess lens body that can have the different various wide-angle lenses in visual angle (external diameter) and the entirety of lens package body of pushing the pressing component of the wide-angle lens that remains on this lens barrel main body.According to this entirety of lens package body, when the different lens in assembling visual angle, lens barrel main body inboard not only, and lens barrel body front end face is also as the configuration space utilization, so, with be suitable for comparing when various wide-angle lenses ground is provided with the lens mount of multistage in lens barrel main body inboard, can must be short with the size Control to optical axis direction of lens barrel main body.
Patent documentation 1: the open 2007-279557 communique of Jap.P.
In the above-mentioned body of entirety of lens package in the past 100, need be formed for the nut 102a of fixed pressure ring 103 in the rear end side of the internal face of lens barrel 102.Thus, lens barrel 102 need be equivalent to be used to form the long size of amount of space (the chimeric length amount of the pressure ring) scope of this nut 102a to the size of optical axis direction.Thereby, there is the problem that lacks miniaturization.
And, in entirety of lens package body 200 in the past, need be formed for installing the external screw 202b of lens mount 204 in the front of the outside wall surface of lens barrel 202.Therefore, the nut 204a of lens mount 204 also must be formed at the front of lens mount, so it is big that the size of lens mount 204 becomes.Thereby, the problem that lacks miniaturization is also arranged at this entirety of lens package body 200.
And then, the entirety of lens package body that patent documentation 1 is proposed be on the lens barrel main body in conjunction with the formation of pressing component, therefore, the size to optical axis direction of lens barrel main body need be equivalent to be used for the long size in conjunction with the amount of space scope of this pressing component.Thereby, still there is the problem that lacks miniaturization.
The utility model content
The utility model is exactly to make in view of the above problems, and this purpose is, a kind of entirety of lens package body and camera head of seeking miniaturization is provided.
In order to reach above-mentioned purpose, the utility model provides a kind of entirety of lens package body, it is characterized in that possessing: lens; Form first screw thread in outside wall surface, and take in the lens barrel of said lens; Be formed with second screw thread that screws togather with first screw thread that is formed at above-mentioned lens barrel outside wall surface at internal face, and be formed with the 3rd screw thread that lens mount is installed usefulness, push the pressure ring of the circumference of the lens that are accommodated in above-mentioned lens barrel in outside wall surface.
Entirety of lens package body of the present utility model is by screwing togather first screw thread that is formed at the lens barrel outside wall surface and second screw thread that is formed at the pressure ring internal face, pressure ring is fixed on lens barrel, and the 3rd screw thread of the outside wall surface by being formed at pressure ring and lens mount is installed in the structure of pressure ring.According to this formation, partial fixing pressure ring in the lens barrel outside wall surface corresponding to the lens circumference, thereby, compare with the technology that is formed for the nut of fixed pressure ring at the lens barrel internal face in the past, the size to optical axis direction tightly can be shortened to amount of space (the chimeric length amount of the pressure ring) scope that is equivalent to be used to form above-mentioned nut.In addition, according to this formation, the part corresponding to the lens circumference in the outside wall surface of pressure ring is installed lens mount, thereby, the technology that is formed for installing the external screw of lens mount with in the past the front in the outside wall surface of lens barrel is compared, and the size to optical axis direction can be shortened to amount of space (the chimeric length amount of the lens mount) scope that is equivalent to be used to form above-mentioned external screw.And then, with comparing in conjunction with the technology of pressing component of proposing at patent documentation 1, the size to optical axis direction can be shortened to the amount of space scope that is equivalent to be used in conjunction with above-mentioned pressing component in the lens barrel main body.Thereby, can seek the miniaturization of entirety of lens package body.
, comparatively it is desirable to, above-mentioned lens barrel has first sliding contact surface cylindraceous herein, outside wall surface at above-mentioned lens barrel forms above-mentioned first screw thread, and when the outside wall surface of this lens barrel screws togather above-mentioned pressure ring, the internal face sliding contact of this first sliding contact surface and above-mentioned pressure ring
Above-mentioned pressure ring has the second circular sliding contact surface, forms above-mentioned second screw thread at the internal face of above-mentioned pressure ring, and when the internal face of this pressure ring screws togather above-mentioned lens barrel, the above-mentioned first sliding contact surface sliding contact of this second sliding contact surface and this lens barrel.
When lens barrel outside wall surface fixed pressure ring, first screw thread that only will be formed at the lens barrel outside wall surface is threaded into second screw thread of the internal face that is formed at pressure ring, since these first, second screw threads take place each other loosening, the installation accuracy of lens mount that causes being installed on the outside wall surface of pressure ring descends.So, error takes place between imaging apparatus that is installed on this lens mount and lens.Therefore, by sliding contact surface being set, and sliding contact surface is set, and makes the sliding contact each other of these sliding contact surfaces, thereby can suppress loosening between lens barrel and the pressure ring at the internal face of pressure ring in the lens barrel outside wall surface.Thus, can improve the installation accuracy of the lens mount of the outside wall surface that is installed on pressure ring.
And comparatively desirable state is, above-mentioned pressure ring has thread lock with the bonding hole, and this thread lock connects between inner peripheral surface and the outer peripheral face with the bonding hole, and the opening of offering to this outer peripheral face is greater than the opening of offering to this inner peripheral surface.
So, even for a long time in the injection rate IR of cementing agent, thread lock plays the effect of accumulating cementing agent with the bonding big opening that the hole had, and prevents the outside wall surface that cementing agent overflows and be bonded in pressure ring from thread lock with the bonding hole, and brings obstacle for the installation of lens mount.Thereby, when injecting cementing agent, need not do one's utmost fine to adjust the injection rate IR of cementing agent, and can improve the operability of entirety of lens package body.
And then, also comparatively it is desirable to, above-mentioned pressure ring has the thread lock adhesive trough, and this thread lock uses adhesive trough to inner peripheral surface and outer peripheral face both sides opening, and extends along the optical axis direction of said lens, and an end arrives the end face of this pressure ring.
If have such thread lock adhesive trough, then install under the state of lens mount in the outside wall surface of pressure ring, can inject cementing agent from the end face side of pressure ring.Thereby, the bonding of lens barrel, pressure ring, lens mount can be carried out simultaneously, and the operability of entirety of lens package body can be improved.
In addition, also comparatively desirable state is, being formed at above-mentioned second screw thread of internal face of above-mentioned pressure ring and above-mentioned the 3rd thread-shaped that is formed at the outside wall surface of this pressure ring becomes reciprocal screw thread.
Like this, if second screw thread and the 3rd thread-shaped become reciprocal screw thread, then make the sense of rotation rotation of lens barrel to regulation, and can only dismantle lens barrel from the entirety of lens package body, and by make lens barrel to the opposite sense of rotation of the sense of rotation rotation of regulation, and can only dismantle lens mount from the entirety of lens package body.Thereby, can decompose the entirety of lens package body freely.
And then, also comparatively it is desirable to, above-mentioned pressure ring has round end groove (crab eye groove, カ ニ メ Ditch), and this round end groove is used for this pressure ring is threaded into this lens mount when above-mentioned lens mount is installed.
So, when the assembling lens assembly, by anchor clamps being inserted into the round end groove that is fixed in the pressure ring of lens barrel to the prescribed direction rotation, so that this pressure ring rotation, thereby the pressure ring that is fixed can not become flexible with respect to lens barrel, and lens mount can be fixed on the pressure ring.
And then, also comparatively it is desirable to, the said lens assembly possesses lens mount, and this lens mount is formed with the 4th screw thread that the 3rd screw thread of the outside wall surface that is formed at above-mentioned pressure ring is screwed into.
If like this, then can simply lens mount be installed on pressure ring.
And the camera head of the present utility model of reaching above-mentioned purpose is characterised in that to possess said lens assembly and camera head.
Imaging apparatus of the present utility model is the structure that possesses the said lens assembly, so can realize miniaturization.
According to the utility model, can provide a kind of seek miniaturization entirety of lens package body and camera head.
Description of drawings
Fig. 1 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts first embodiment of the present utility model.
Fig. 2 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 1 is cut in expression.
Fig. 3 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts second embodiment of the present utility model.
Fig. 4 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 3rd embodiment of the present utility model.
Fig. 5 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 4th embodiment of the present utility model.
Fig. 6 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 5 is cut in expression.
Fig. 7 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 5th embodiment of the present utility model.
Fig. 8 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 7 is cut in expression.
Fig. 9 is the stereographic map of section that expression possesses the camera unit of entirety of lens package body shown in Figure 3.
Figure 10 is the stereographic map that the part of the structure before the installation lens mount of entirety of lens package body is in the past cut in expression.
Figure 11 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 10 is cut in expression.
Figure 12 is the stereographic map of the part of the expression installation lens mount structure before of cutting the entirety of lens package body different with in the past Figure 10, entirety of lens package body shown in Figure 11.
Figure 13 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 12 is cut in expression.
The drawing reference numeral explanation
10,20,30,40,50-entirety of lens package body,
The 11-photographic lens,
12,22-lens barrel,
12a, 13b, 22a, 53b-external screw,
13,23,33,43, the 53-pressure ring,
13a, 14a, 23a, 53a-nut,
14,61-lens mount,
22b, 23b-sliding contact surface,
The 33a-thread lock is used the bonding hole,
33a1,33a2-opening,
43a-pressure ring end face,
43b-thread lock adhesive trough,
53c-round end groove,
The 60-camera unit,
The 62-imaging apparatus,
The 63-substrate
Embodiment
Below, with reference to description of drawings embodiment of the present utility model.
Fig. 1 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts first embodiment of the present utility model.
Fig. 1 represent to have the entirety of lens package body 10 that constitutes first embodiment of the present utility model photographic lens 11, take in this photographic lens 11 lens barrel 12, push the pressure ring 13 of the circumference of this photographic lens 11.
Outside wall surface at lens barrel 12 is formed with external screw 12a (being equivalent to an example first screw thread of the present utility model).And in the pressure ring 13, the internal face of this pressure ring 13 is formed with the nut 13a (being equivalent to an example second screw thread of the present utility model) that screws togather with the external screw 12a that is formed at the outside wall surface of lens barrel 12.Particularly, be formed with external screw 12a in the part corresponding to the circumference of photographic lens 11 of the outside wall surface of lens barrel 12, and, pressure ring 13 be fixed in lens barrel 12 by the nut 13a that this external screw 12a is threaded into the internal face that is formed at pressure ring 13.And then, in the pressure ring 13, be formed with the external screw 13b (being equivalent to an example the 3rd screw thread of the present utility model) of the installation usefulness of lens mount 14 described later in the outside wall surface of this pressure ring 13.
Fig. 2 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 1 is cut in expression.
Represent to have at Fig. 2 possess above-mentioned photographic lens 11, lens barrel 12, pressure ring 13 and be installed in the entirety of lens package body 10 of lens mount 14 of the outside wall surface of this pressure ring 13.Need to prove that in fact lens mount 14 has the after-frame that is used for that this lens mount 14 is installed in the preceding frame of pressure ring 13 and is used to install imaging apparatus, but for convenience, only illustrates the preceding frame of lens mount 14 herein.Be formed with the nut 14a (being equivalent to an example the 4th screw thread of the present utility model) that the external screw 13b of the outside wall surface that is formed at pressure ring 13 is screwed at the internal face of the preceding frame of lens mount 14.The external screw 13b of the outside wall surface by being formed at pressure ring 13 is screwed into this nut 14a, and lens mount 14 is installed in pressure ring 13.
In the entirety of lens package body 10 of first embodiment, the partial fixing corresponding to the circumference of photographic lens 11 in the outside wall surface of lens barrel 12 has pressure ring 13, therefore, the technology that pressure ring is fixed on the nut of lens barrel internal face with being formed for is in the past compared, and the size to optical axis direction can be shortened to amount of space (the chimeric length amount of the pressure ring) scope that is equivalent to be used to form above-mentioned nut.And, the part corresponding to the circumference of photographic lens 11 in the outside wall surface of pressure ring 13 is installed lens mount 14, therefore, the technology that is formed for installing the external screw of lens mount with in the past the front in the lens barrel outside wall surface is compared, and the size to optical axis direction can be shortened to amount of space (the chimeric length amount of the lens mount) scope that is equivalent to be used to form above-mentioned external screw.Further, and compare, the size to optical axis direction can be shortened to the amount of space scope that is equivalent to be used in conjunction with above-mentioned pressing component in the disclosed technology that pressing component is combined in the lens barrel main body of patent documentation 1.Thereby can seek the miniaturization of entirety of lens package body 10.
Fig. 3 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts second embodiment of the present utility model.
Entirety of lens package body 20 shown in Figure 3 is compared with entirety of lens package body 10 shown in Figure 1, only is replaced as on this point of the lens barrel 22 of following explanation and pressure ring 22 different at lens barrel shown in Figure 1 12 and pressure ring 13.
Outside wall surface at lens barrel 22 is formed with external screw 22a (being equivalent to another example first screw thread of the present utility model).And, in this lens barrel 22, this outside wall surface except the rear end that is formed with external screw 22a part on, have when screwing togather pressure ring 23 and with the sliding contact surface 22b cylindraceous (being equivalent to an example first sliding contact surface of the present utility model) of the rearward end sliding contact of the internal face of pressure ring 23.
And, in the pressure ring 23, be formed with nut 23a (being equivalent to another example second screw thread of the present utility model) at internal face, and this internal face except the rearward end that is formed with nut 23a part on, have when screwing togather lens barrel 22 and with the circular sliding contact surface 23b (being equivalent to an example second sliding contact surface of the present utility model) of the sliding contact surface 22b sliding contact of this lens barrel 22.
In the entirety of lens package body 20 of second embodiment, the external screw 22a of the outside wall surface by being formed at lens barrel 22 is threaded into the nut 23a of the internal face that is formed at pressure ring 23, and pressure ring 23 is fixed on the outside wall surface of lens barrel 22., only external screw 22a is threaded into nut 23a herein, owing to take place looseningly between those external screws 22a and nut 23a, the installation accuracy of lens mount (not shown) that causes being installed in the outside wall surface of pressure ring 23 descends.So, be installed between the imaging apparatus of this lens mount and the photographic lens 21 and produce error.Therefore, in the entirety of lens package body 20 of second embodiment of the present utility model, outside wall surface at lens barrel 22 is provided with sliding contact surface 22b, and the internal face at pressure ring 23 is provided with sliding contact surface 23b, by making those sliding contact surfaces 22b and the mutual sliding contact of sliding contact surface 23b, and suppress loosening between lens barrel 22 and the pressure ring 23.Thus, can improve the installation accuracy of the lens mount of the outside wall surface that is installed in pressure ring 23.
Fig. 4 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 3rd embodiment of the present utility model.
Entirety of lens package body 30 shown in Figure 4 is compared with entirety of lens package body 20 shown in Figure 3, and is only different on this point that pressure ring 23 is replaced as pressure ring 33.
In the entirety of lens package body 30 of the 3rd embodiment, the external screw 22a of the outside wall surface by being formed at lens barrel 22 is threaded into the nut 23a of the internal face that is formed at pressure ring 33, pressure ring 33 is fixed on the outside wall surface of lens barrel 22, and is located at the sliding contact surface 22b and the mutual sliding contact of sliding contact surface 23b that is located at the internal face of pressure ring 33 of the outside wall surface of lens barrel 22.With this state, cementing agent is re-introduced into the thread lock bonding hole 33a of pressure ring 33, and pressure ring 33 is spirally connected and is fixed in lens barrel 22 thus.Herein, even the injection rate IR of cementing agent for a long time, thread lock plays the effect of accumulating cementing agent with the big opening 33a2 that bonding hole 33a is had, thereby prevents the outside wall surface that cementing agent overflows and be bonded in pressure ring 33 from thread lock with bonding hole 33a, and brings obstacle for the installation of lens mount.And little opening 33a1 is when boning lens barrel 22 and pressure ring 33, can inject the opening of the cementing agent that can keep well-bonded strength component.Thereby, when injecting cementing agent, needn't adjust the injection rate IR of cementing agent imperceptibly by the utmost point, and can improve the operability of entirety of lens package body 30.
Fig. 5 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 4th embodiment of the present utility model.
The pressure ring 43 that constitutes entirety of lens package body 40 shown in Figure 5 has, and towards inner peripheral surface and outer peripheral face both sides opening, and extend along the optical axis direction of photographic lens 11, and an end arrives the thread lock adhesive trough 43b of the end face 43a of pressure ring 43.
Fig. 6 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 5 is cut in expression.
Fig. 6 represents to have the entirety of lens package body 40 of the lens mount 14 that possesses the outer peripheral face that is installed on pressure ring shown in Figure 5 43.
In the entirety of lens package body 40 of the 4th embodiment, possesses the pressure ring 43 that the thread lock that the end face 43a with end arrival pressure ring 43 is arranged is used adhesive trough 43b.Therefore, as shown in Figure 6,, can inject cementing agent from the end face 43a side of pressure ring 43 lens mount 14 is installed in the state of the outside wall surface of pressure ring 43.Thus, can carry out the bonding of lens barrel 22, pressure ring 43, lens mount 14 simultaneously.Thereby, can improve the operability of entirety of lens package body 40.Need to prove, as shown in Figure 5, also the injection of cementing agent can be divided and carry out for 2 times, promptly so that the state of pressure ring 43 to be installed in the outside wall surface of lens barrel 22, carry out the injection of primary cementing agent, lens barrel 22 and pressure ring 43 bond, then, as shown in Figure 6, carry out the injection of cementing agent for the second time with the state that lens mount 14 is installed in the outside wall surface of pressure ring 43, with bonding pressure ring 43 and lens mount 14.
Fig. 7 is the stereographic map of the part of the structure before the installation lens mount of the expression entirety of lens package body that cuts the 5th embodiment of the present utility model.Fig. 8 is the stereographic map that the part of the structure after the installation lens mount of entirety of lens package body shown in Figure 7 is cut in expression.
Constitute in the pressure ring 53 of entirety of lens package body 50 shown in Figure 7, be formed with nut 53a (being equivalent to another example second screw thread of the present utility model) at internal face.And, be formed with external screw 53b (being equivalent to said the 3rd screw thread of another routine the utility model) in the outside wall surface of this pressure ring 53.And those nuts 53a and external screw 53b form rightabout screw thread.And this pressure ring 53 has round end groove 53, and this round end groove 53 is used for pressure ring 53 is threaded into lens mount 14 when lens mount 14 shown in Figure 8 is installed.
When assembling lens assembly 50, in first operation, pressure ring 53 is fixed on lens barrel 22.Particularly, as shown in Figure 7, under the state with fixed lens barrel 22,, the external screw 22a that is formed at the outside wall surface of lens barrel 22 is threaded into the nut 53a of the internal face that is formed at pressure ring 53 with pressure ring 53 P rotation toward the clockwise direction.Then, in second operation, as shown in Figure 8, lens mount 14 is fixed on pressure ring 53.Particularly, anchor clamps are inserted into the round end groove 53c of pressure ring 53, and with these anchor clamps with pressure ring 53 towards counter clockwise direction Q rotation, and the external screw 53b that will be formed at the outside wall surface of pressure ring 23 is threaded into the nut 14a of the internal face that is formed at lens mount 14.Like this, in second operation, anchor clamps are inserted into the round end groove 53c of pressure ring 53, pressure ring 53 is rotated towards counter clockwise direction Q with lens barrel 22, and lens mount 14 is fixed on pressure ring 53, make the pressure ring 23 that in first engineering, is fixed in clockwise direction P can not relax with respect to lens barrel 22.Carry out assembling lens assembly 50 thus.
When assembled entirety of lens package body 50 only will be dismantled lens barrel 22,, can only dismantle lens barrel 22 from entirety of lens package body 50 by making lens barrel 22 towards counter clockwise direction Q rotation.And, when assembled entirety of lens package body 50 only will be dismantled lens mount 14,, can only dismantle lens mount 14 from entirety of lens package body 50 by making lens barrel 22 P rotation toward the clockwise direction.
As mentioned above, in the entirety of lens package body 50 of the 5th embodiment, the nut 53a that is formed at the internal face of pressure ring 53 forms rightabout screw thread with the external screw 53b that is formed at the outside wall surface of this pressure ring 53.Therefore, by lens barrel 22 is rotated towards counter clockwise direction Q, can only dismantle lens barrel 22 from entirety of lens package body 50.And, by making lens barrel 22, can only dismantle lens mount 14 from entirety of lens package body 50 towards clockwise P rotation.Thereby, can decompose entirety of lens package body 50 freely.
And, as mentioned above, pressure ring 53 has the round end groove 53c that is used for pressure ring 53 is threaded into lens mount 14, therefore, when assembling lens assembly 50, at first make pressure ring 23 P rotation toward the clockwise direction and be fixed on lens barrel 22, then, anchor clamps are inserted into the round end groove 53c of pressure ring 53, pressure ring 53 is rotated towards counter clockwise direction Q.Like this, the pressure ring 23 that is fixed in clockwise direction P can not relax with respect to lens barrel 22, thereby lens mount 14 can be fixed on pressure ring 53.
Fig. 9 is the stereographic map of section that expression possesses the camera unit of entirety of lens package body shown in Figure 3.
For assembling this camera unit 60, at entirety of lens package body 20 lens mounts 61 are installed, the substrate 63 that loads imaging apparatus 62 such as CCD is bonded and fixed at lens mount 61.According to this camera unit 60, owing to this camera unit 60 possesses entirety of lens package body 20 is arranged, so can realize miniaturization.
Claims (8)
1. entirety of lens package body is characterized in that possessing:
Lens;
Lens barrel, it is formed with first screw thread in outside wall surface, and takes in described lens;
Pressure ring, it is formed with second screw thread that is screwed with first screw thread that is formed at described lens barrel outside wall surface at internal face, and is formed with the 3rd screw thread that lens mount is installed usefulness in outside wall surface, and pushes the circumference of the lens that are incorporated in described lens barrel.
2. entirety of lens package body according to claim 1 is characterized in that,
Described lens barrel has first sliding contact surface cylindraceous, forms described first screw thread in the outside wall surface of described lens barrel, and when the outside wall surface of described lens barrel screws togather described pressure ring, the internal face sliding contact of this first sliding contact surface and described pressure ring,
Described pressure ring has the second circular sliding contact surface, internal face at described pressure ring forms described second screw thread, and when the internal face of described pressure ring screws togather described lens barrel, the described first sliding contact surface sliding contact of this second sliding contact surface and described lens barrel.
3. entirety of lens package body according to claim 1 and 2 is characterized in that,
Described pressure ring has thread lock with the bonding hole, and this thread lock connects between inner peripheral surface and the outer peripheral face with the bonding hole, and the opening of offering to this outer peripheral face is greater than the opening of offering to this inner peripheral surface.
4. entirety of lens package body according to claim 1 and 2 is characterized in that,
Described pressure ring has the thread lock adhesive trough, and this thread lock uses adhesive trough to inner peripheral surface and outer peripheral face both sides opening, and extends along the optical axis direction of described lens, and an end arrives the end face of this pressure ring.
5. entirety of lens package body according to claim 1 and 2 is characterized in that,
Described the 3rd thread-shaped that is formed at described second screw thread of described pressure ring internal face and is formed at this pressure ring outside wall surface becomes mutual reciprocal screw thread.
6. entirety of lens package body according to claim 5 is characterized in that,
Described pressure ring has the round end groove, and this round end groove is used for this pressure ring is threaded into this lens mount when described lens mount is installed.
7. entirety of lens package body according to claim 1 and 2 is characterized in that,
Also possess lens mount, this lens mount is formed with the 4th screw thread that the 3rd screw thread that is formed at described pressure ring outside wall surface is screwed into.
8. camera head, this is characterised in that,
Possess claim 1 or 2 described entirety of lens package bodies;
Imaging apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201382408U CN201289538Y (en) | 2008-03-31 | 2008-10-16 | Lens assembling body and photographic device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008093844 | 2008-03-31 | ||
| CNU2008201382408U CN201289538Y (en) | 2008-03-31 | 2008-10-16 | Lens assembling body and photographic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289538Y true CN201289538Y (en) | 2009-08-12 |
Family
ID=41011857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201382408U Expired - Lifetime CN201289538Y (en) | 2008-03-31 | 2008-10-16 | Lens assembling body and photographic device |
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| Country | Link |
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| CN (1) | CN201289538Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761686A (en) * | 2011-04-26 | 2012-10-31 | 佳能株式会社 | Imaging apparatus |
| CN104094148A (en) * | 2012-02-13 | 2014-10-08 | 富士胶片株式会社 | Lens device for surveillance camera |
| CN104704412A (en) * | 2012-09-25 | 2015-06-10 | 京瓷株式会社 | Optical unit, image capture device, and mobile body |
| CN106462035A (en) * | 2014-06-09 | 2017-02-22 | 兴和株式会社 | Lens barrel |
| CN108508565A (en) * | 2018-03-15 | 2018-09-07 | 信利光电股份有限公司 | A kind of cameras with fixed focus and its AA methods |
-
2008
- 2008-10-16 CN CNU2008201382408U patent/CN201289538Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761686A (en) * | 2011-04-26 | 2012-10-31 | 佳能株式会社 | Imaging apparatus |
| CN104094148A (en) * | 2012-02-13 | 2014-10-08 | 富士胶片株式会社 | Lens device for surveillance camera |
| CN104094148B (en) * | 2012-02-13 | 2016-03-02 | 富士胶片株式会社 | Monitor camera lens devices |
| CN104704412A (en) * | 2012-09-25 | 2015-06-10 | 京瓷株式会社 | Optical unit, image capture device, and mobile body |
| CN106462035A (en) * | 2014-06-09 | 2017-02-22 | 兴和株式会社 | Lens barrel |
| CN108508565A (en) * | 2018-03-15 | 2018-09-07 | 信利光电股份有限公司 | A kind of cameras with fixed focus and its AA methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: Tokyo, Japan Patentee after: Fuji Film Corp. Address before: Japan's Saitama Prefecture Patentee before: Fujinon Corp. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090812 |
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| CX01 | Expiry of patent term |