CN215110389U - Straight glass rod main shaft locking structure - Google Patents
Straight glass rod main shaft locking structure Download PDFInfo
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- CN215110389U CN215110389U CN202120347904.7U CN202120347904U CN215110389U CN 215110389 U CN215110389 U CN 215110389U CN 202120347904 U CN202120347904 U CN 202120347904U CN 215110389 U CN215110389 U CN 215110389U
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- taper sleeve
- inner taper
- rod
- rear end
- hole
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Abstract
The utility model relates to a spindle locking device technical field discloses a straight type glass stick spindle locking structure, include: the clamping device comprises an inner taper sleeve sleeved on the straight glass rod, a collet chuck positioned between the inner taper sleeve and the straight glass rod, a locking nut in threaded connection with the inner taper sleeve, and a clamping device for limiting the rotation and the movement of the inner taper sleeve; the collet end of the collet is defined as the front end and the barrel end of the collet is defined as the rear end; the rear end of the spring chuck extends out of the inner taper sleeve; the inner diameter of the inner taper sleeve is gradually increased from the front end to the rear end, and the outer side wall of the rear end of the inner taper sleeve is provided with an external thread; the front end of the locking nut is provided with an open groove, the groove wall of the open groove is provided with an internal thread matched with the external thread, and the groove bottom of the open groove is correspondingly abutted against the rear end of the collet chuck. In this way, the utility model discloses can guarantee the locking connection between interior taper sleeve and the straight type glass stick, and easy operation, it is convenient, easy.
Description
Technical Field
The utility model relates to a spindle locking device technical field especially relates to a straight type glass stick spindle locking structure.
Background
In some existing devices, a straight glass rod is needed, and the straight glass rod and other components are needed to be connected in a steering mode through a gear transmission device so as to achieve the purpose of controlling the rotation of the straight glass rod. Due to the structural particularity of the straight glass rod, a connecting gear in the gear transmission device cannot be directly and fixedly connected with the straight glass rod. For this reason, the straight glass rod is usually locked by combining the inner taper sleeve and the collet chuck, and then the connecting gear in the gear transmission device is fixedly mounted on the inner taper sleeve, so as to fixedly connect the connecting gear in the gear transmission device with the straight glass rod. However, the inner taper sleeve and the spring chuck are matched and directly manually rotated and pushed manually, so that the locking connection between the inner taper sleeve and the straight glass rod is unstable, and sometimes, the inner taper sleeve and the straight glass rod slip.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a straight type glass stick main shaft locking structure, can guarantee the locking connection between interior taper sleeve and the straight type glass stick, and easy operation, convenience, easy.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a straight type glass stick main shaft locking structure includes: the clamping device comprises an inner taper sleeve sleeved on the straight glass rod, a collet chuck positioned between the inner taper sleeve and the straight glass rod, a locking nut in threaded connection with the inner taper sleeve, and a clamping device for limiting the rotation and the movement of the inner taper sleeve; the collet end of the collet is defined as the front end and the barrel end of the collet is defined as the rear end; the rear end of the spring chuck extends out of the inner taper sleeve; the inner diameter of the inner taper sleeve is gradually increased from the front end to the rear end, and the outer side wall of the rear end of the inner taper sleeve is provided with an external thread; the front end of the locking nut is provided with an open groove, an internal thread matched with the external thread is arranged on the groove wall of the open groove, and the groove bottom of the open groove is correspondingly abutted to the rear end of the collet chuck.
Preferably, a circle of annular groove is formed in the straight glass rod corresponding to the rear end part of the inner taper sleeve; a circle of raised heads are arranged on the inner side wall of the collet chuck and close to the rear end of the collet chuck, spaced grooves in the axial direction of the collet chuck are formed in the rear end surface of the collet chuck, and the bottoms of the spaced grooves pass through the raised heads; after the clamping device limits the inner taper sleeve, the locking nut is rotated, the locking nut moves forwards relative to the inner taper sleeve in a rotating mode, so that the spring chuck is pushed to move forwards, after the spring chuck moves forwards, the raised head on the inner side wall of the spring chuck can be clamped into the annular groove of the straight glass rod in a matching mode, and meanwhile, the chuck end of the spring chuck tightly holds the straight glass rod under the limitation of the inner taper sleeve.
When the locking device is locked, the clamping device limits the action of the inner taper sleeve, the locking nut is rotated, the locking nut moves forwards relative to the rotation of the inner taper sleeve, and therefore the collet chuck is pushed to move forwards; after the collet chuck moves forwards, the raised head on the inner side wall of the collet chuck is clamped into the annular groove of the straight glass rod in a matching way, and meanwhile, the collet chuck end of the collet chuck tightly holds the straight glass rod under the limitation of the inner taper sleeve, so that the inner taper sleeve is tightly connected with the straight glass rod; and after the locking is finished, the fixing limit of the inner taper sleeve is released by the control fixture.
Preferably, the outer side wall of the inner taper sleeve is provided with a round hole; the clamping device comprises a push rod which can be inserted into the round hole in a matched mode, and the push rod is arranged in the bottle withdrawing seat in a telescopic mode.
Preferably, the clamping device further comprises a spring and a guide screw; a rod hole is formed in the bottle withdrawing seat and can be opposite to the round hole; the rod hole comprises a first hole part and a second hole part, the inner diameter of the first hole part is equal to that of the round hole, and the inner diameter of the second hole part is larger than that of the first hole part; the push rod comprises a first rod part and a second rod part which are connected, the first rod part can be inserted into the first hole part in a matched mode, the second rod part can be inserted into the second hole part in a matched mode, the length of the first rod part is larger than the depth of the first hole part, and the second rod part can correspondingly extend out of the second hole part; the spring is sleeved on the first rod part of the push rod to limit the second rod part of the push rod to extend out of the rod hole; a strip-shaped groove used for limiting the telescopic range of the push rod is formed in the outer side wall of the second rod part, and a screw rod of the guide screw penetrates through the bottle withdrawing seat and stretches into the strip-shaped groove.
Preferably, an annular convex part is arranged on the outer side wall of the inner taper sleeve at a position close to the rear end of the inner taper sleeve; a clamping ring used for fixing and limiting the position of a part on the inner taper sleeve in a manner of being matched with the annular convex part is arranged on the outer side wall of the inner taper sleeve close to the front end of the inner taper sleeve, and a positioning clamping groove for fixedly clamping the clamping ring is further formed in the outer side wall of the rear end of the inner taper sleeve; the outer side wall of the inner taper sleeve is also provided with a fixing hole.
The utility model has the advantages that: the utility model discloses can be through the action of the interior taper sleeve of the solid device restriction of card, the rotatory lock nut of rethread can realize the locking connection of interior taper sleeve and straight type glass stick. The structural design of the annular groove on the straight glass rod and the raised head on the spring chuck can further ensure the locking effect between the inner taper sleeve and the straight glass rod, and the locking device cannot slip in the later-stage movement and has good reliability. The clamping device adopts the combined design of the push rod, the spring and the guide screw, so that the inner taper sleeve can be clamped and fixed by single-finger operation, and the clamping device is simple and easy. The structure is compact, and the use and the operation are convenient and easy.
Drawings
Fig. 1 is a schematic cross-sectional view of a preferred embodiment of a locking structure of a straight glass rod spindle according to the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a straight glass rod in a straight glass rod spindle locking structure of the present invention;
fig. 3 is a schematic perspective view of a collet chuck in a straight glass rod spindle locking structure of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of an inner taper sleeve in a straight glass rod spindle locking structure of the present invention;
fig. 5 is a schematic three-dimensional structure of a lock nut in the locking structure of the straight glass rod spindle of the present invention;
fig. 6 is a schematic cross-sectional view of a lock nut in a straight glass rod spindle locking structure of the present invention;
fig. 7 is a schematic perspective view of a push rod in a straight glass rod spindle locking structure of the present invention;
fig. 8 is a schematic perspective view of a bottle-withdrawing seat in a straight glass rod spindle locking structure of the present invention;
fig. 9 is a schematic structural view of a bottle-withdrawing seat in a straight glass rod spindle locking structure of the present invention.
The parts in the drawings are numbered as follows: 1. a straight glass rod; 11. an annular groove; 2. an inner taper sleeve; 21. a circular hole; 22. an annular boss; 23. positioning the clamping groove; 25. a fixing hole; 3. a collet chuck; 31. a raised head; 32. a spacing groove; 4. locking the nut; 41. an open recess; 5. withdrawing the bottle seat; 50. a rod hole; 51. a first hole portion; 52. a second hole portion; 6. a push rod; 61. a first rod portion; 62. a second rod portion; 63. a strip-shaped groove; 7. a spring; 8. and (4) guiding the screw.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 9, an embodiment of the present invention includes:
a straight glass rod spindle locking structure comprises: the glass rod clamping device comprises an inner taper sleeve 2 sleeved on a straight glass rod 1, a collet chuck 3 positioned between the inner taper sleeve 2 and the straight glass rod 1 (when the glass rod clamping device is installed in a matched mode, the collet chuck 3 is sleeved on the straight glass rod 1 firstly, and then the inner taper sleeve 2 is sleeved on the collet chuck 3), a locking nut 4 in threaded connection with the inner taper sleeve 2, and a clamping device for limiting the inner taper sleeve 2 to rotate and move.
The inner side wall of the inner taper sleeve 2 has a taper, and the inner diameter of the front end of the inner taper sleeve 2 is smaller than that of the rear end thereof, that is, the inner diameter of the inner taper sleeve 2 gradually increases from the front end to the rear end thereof. The straight glass rod 1 is provided with a circle of annular groove 11, the rear end of the inner taper sleeve 2 is opposite to the annular groove 11 on the straight glass rod 1, namely the rear end of the inner taper sleeve 2 correspondingly wraps the annular groove 11 on the straight glass rod 1. And the outer side wall of the rear end of the inner taper sleeve 2 is provided with an external thread. The outer side wall of the inner taper sleeve 2 is provided with a round hole 21.
The chuck end of the collet chuck 3 corresponds to the front end of the inner taper sleeve 2 and is the front end of the collet chuck 3, and the cylinder end of the collet chuck 3 corresponds to the rear end of the inner taper sleeve 2 and is the rear end of the collet chuck 3; the rear end of the spring chuck 3 extends out of the inner taper sleeve 2. A circle of raised heads 31 are arranged on the inner side wall of the collet chuck 3 and close to the rear end of the collet chuck, spaced grooves 32 in the axial direction of the collet chuck 3 are formed in the rear end face of the collet chuck 3, the bottoms of the spaced grooves 32 pass through the raised heads 31, and the raised heads 31 can be clamped in the annular grooves 11 of the straight glass rods 1 in a matching manner.
The front end of the locking nut 4 is provided with an open groove 41, the groove wall of the open groove 41 is provided with an internal thread matched with the external thread, and the front end of the locking nut 4 is in threaded connection with the rear end of the inner taper sleeve 2; the groove bottom of the open groove 41 is correspondingly abutted against the rear end of the collet chuck 3.
The clamping device comprises a push rod 6 arranged in the bottle withdrawing seat 5, a spring 7 and a guide screw 8. The bottle withdrawing seat 5 is provided with a rod hole 50, and the rod hole 50 can be opposite to the round hole 21 on the inner taper sleeve 2. The rod hole 50 includes a first hole portion 51 and a second hole portion 52, the first hole portion 51 having an inner diameter equal to that of the circular hole 21, and the second hole portion 52 having an inner diameter larger than that of the first hole portion 51. The push rod 6 includes a first rod portion 61 and a second rod portion 62 connected to each other, the first rod portion 61 is fittingly inserted into the first hole portion 51 (i.e., an outer diameter of the first rod portion 61 matches an inner diameter of the first hole portion 51), the second rod portion 62 is fittingly inserted into the second hole portion 52 (i.e., an outer diameter of the second rod portion 62 matches an inner diameter of the second hole portion 52), a length of the first rod portion 61 is greater than a depth of the first hole portion 51, and the second rod portion 62 extends out of the second hole portion 52. The spring 7 is sleeved on the first rod part 61 of the push rod 6, the spring 7 is positioned in the second hole part 52 of the rod hole 50, one end of the spring 7 abuts against the dividing surface of the first hole part 51 and the second hole part 52, and the other end of the spring 7 correspondingly abuts against the end surface of the second rod part 62. A strip-shaped groove 63 is formed in the outer side wall of the second rod part 62, and a screw rod of the guide screw 8 penetrates through the bottle withdrawing seat 5 and extends into the strip-shaped groove 63, so that the push rod 6 is limited in the rod hole 50, and the action stroke of the push rod 6 is limited. Under the action of the spring 7, the second rod part 62 of the push rod 6 extends out of the rod hole 50 so as to push the push rod 6 and enable the first rod part 61 of the push rod 6 to be inserted into the round hole 21; the push rod 6 does not come out of the rod hole 50 under the restriction of the guide screw 8, and the moving range of the push rod 6 in the rod hole 50 is limited.
When the device is operated and used, the push rod 6 is slightly pushed by the fingers of the left hand, and meanwhile, the locking nut 4 is rotated by the right hand to drive the inner taper sleeve 2 to rotate, so that the circular hole 21 on the inner taper sleeve 2 can be opposite to the push rod 6 conveniently; after the push rod 6 is matched with and enters the round hole 21 on the inner taper sleeve 2, the locking nut 4 is continuously rotated by slightly applying force, and the locking nut 4 moves forwards relative to the rotation of the inner taper sleeve 2 because the inner taper sleeve 2 is fixed and limited by the push rod 6, so that the collet chuck 3 can be pushed to move forwards; after the collet chuck 3 moves forward, the raised head 31 on the inner side wall can be clamped into the annular groove 11 of the straight glass rod 1 in a matching manner, and meanwhile, the chuck end of the collet chuck 3 can tightly hold the straight glass rod 1 under the limitation of the inner taper sleeve 2, so that the locking connection of the inner taper sleeve 2 and the straight glass rod 1 is realized. After the locking is finished, the left hand fingers are released, and the push rod 6 is withdrawn from the round hole 21 on the inner taper sleeve 2 under the action of the spring 7, so that the subsequent work of the straight glass rod 1 is facilitated.
The outer side wall of the inner taper sleeve 2 is provided with an annular convex part 22 close to the rear end thereof, and the annular convex part can be used as a bearing, a gear and other parts to be fixedly sleeved on the inner taper sleeve 2 for preliminary positioning. The circular hole 21 is located at the annular convex portion 22, which can improve the structural strength during fixing restriction. The position that is close to its front end on the 2 lateral walls of interior taper sleeve is provided with positioning groove 23, the cooperation is provided with the rand in positioning groove 23, so that the cooperation annular bulge 22 is injectd the position on interior taper sleeve 2 of parts such as bearing, gear. The outer side wall of the inner taper sleeve 2 is further provided with a fixing hole so as to be fixedly connected with the gear on the inner taper sleeve 2 through a pin shaft, and circumferential fixing is carried out.
The utility model discloses can restrict the action of interior taper sleeve 2 through the card solid device, the rotatory lock nut 4 of rethread can realize interior taper sleeve 2 and the locking connection of straight type glass stick 1. The structural design of the annular groove 11 on the straight glass rod 1 and the raised head 31 on the collet chuck 3 can further ensure the locking effect between the inner taper sleeve 2 and the straight glass rod 1, and the locking effect can not slip in the later movement, so that the reliability is good. The clamping device adopts the combined design of the push rod 6, the spring 7 and the guide screw 8, so that the inner taper sleeve 2 can be clamped and fixed by single-finger operation, and the clamping device is simple and easy. The structure is compact, and the use and the operation are convenient and easy.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. A straight glass rod spindle locking structure comprises an inner taper sleeve and a spring chuck, wherein the inner taper sleeve is sleeved on a straight glass rod; it is characterized by also comprising: the locking nut is in threaded connection with the inner taper sleeve, and the clamping device is used for limiting the inner taper sleeve to rotate and move; the collet end of the collet is defined as the front end and the barrel end of the collet is defined as the rear end; the rear end of the spring chuck extends out of the inner taper sleeve; the inner diameter of the inner taper sleeve is gradually increased from the front end to the rear end, and the outer side wall of the rear end of the inner taper sleeve is provided with an external thread; the front end of the locking nut is provided with an open groove, an internal thread matched with the external thread is arranged on the groove wall of the open groove, and the groove bottom of the open groove is correspondingly abutted to the rear end of the collet chuck.
2. The straight glass rod spindle locking structure of claim 1, wherein: a circle of annular groove is formed in the straight glass rod corresponding to the rear end of the inner taper sleeve; a circle of raised heads are arranged on the inner side wall of the collet chuck and close to the rear end of the collet chuck, spaced grooves in the axial direction of the collet chuck are formed in the rear end surface of the collet chuck, and the bottoms of the spaced grooves pass through the raised heads; after the clamping device limits the inner taper sleeve, the locking nut is rotated, the locking nut moves forwards relative to the inner taper sleeve in a rotating mode, so that the spring chuck is pushed to move forwards, after the spring chuck moves forwards, the raised head on the inner side wall of the spring chuck can be clamped into the annular groove of the straight glass rod in a matching mode, and meanwhile, the chuck end of the spring chuck tightly holds the straight glass rod under the limitation of the inner taper sleeve.
3. A straight glass rod spindle locking structure according to claim 1 or 2, wherein: the outer side wall of the inner taper sleeve is provided with a round hole; the clamping device comprises a push rod which can be inserted into the round hole in a matched mode, and the push rod is arranged in the bottle withdrawing seat in a telescopic mode.
4. The straight glass rod spindle locking structure of claim 3, wherein: the clamping device also comprises a spring and a guide screw; a rod hole is formed in the bottle withdrawing seat and can be opposite to the round hole; the rod hole comprises a first hole part and a second hole part, the inner diameter of the first hole part is equal to that of the round hole, and the inner diameter of the second hole part is larger than that of the first hole part; the push rod comprises a first rod part and a second rod part which are connected, the first rod part can be inserted into the first hole part in a matched mode, the second rod part can be inserted into the second hole part in a matched mode, the length of the first rod part is larger than the depth of the first hole part, and the second rod part can correspondingly extend out of the second hole part; the spring is sleeved on the first rod part of the push rod to limit the second rod part of the push rod to extend out of the rod hole; a strip-shaped groove used for limiting the telescopic range of the push rod is formed in the outer side wall of the second rod part, and a screw rod of the guide screw penetrates through the bottle withdrawing seat and stretches into the strip-shaped groove.
5. The straight glass rod spindle locking structure of claim 1, wherein: an annular convex part is arranged on the outer side wall of the inner taper sleeve and close to the rear end of the inner taper sleeve; a clamping ring used for fixing and limiting the position of a part on the inner taper sleeve in a manner of being matched with the annular convex part is arranged on the outer side wall of the inner taper sleeve close to the front end of the inner taper sleeve, and a positioning clamping groove for fixedly clamping the clamping ring is further formed in the outer side wall of the rear end of the inner taper sleeve; the outer side wall of the inner taper sleeve is also provided with a fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347904.7U CN215110389U (en) | 2021-02-07 | 2021-02-07 | Straight glass rod main shaft locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347904.7U CN215110389U (en) | 2021-02-07 | 2021-02-07 | Straight glass rod main shaft locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110389U true CN215110389U (en) | 2021-12-10 |
Family
ID=79332977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120347904.7U Active CN215110389U (en) | 2021-02-07 | 2021-02-07 | Straight glass rod main shaft locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110389U (en) |
-
2021
- 2021-02-07 CN CN202120347904.7U patent/CN215110389U/en active Active
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