CN216113907U - Telescopic assembly and lamp - Google Patents
Telescopic assembly and lamp Download PDFInfo
- Publication number
- CN216113907U CN216113907U CN202121107810.9U CN202121107810U CN216113907U CN 216113907 U CN216113907 U CN 216113907U CN 202121107810 U CN202121107810 U CN 202121107810U CN 216113907 U CN216113907 U CN 216113907U
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- telescopic
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- locking
- teeth
- clamping part
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- 230000036316 preload Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model is suitable for the field of telescopic connection of objects, and provides a telescopic assembly and a lamp. This telescopic component includes: a fixing member; the telescopic piece is arranged on the fixing piece in a telescopic manner, and a plurality of teeth are arranged on the telescopic piece along the telescopic direction; the locking piece is rotatably arranged on the fixing piece, a clamping part is arranged at the end part of the locking piece, the clamping part can be matched with one of the teeth, when the clamping part is separated from the teeth, the telescopic piece extends out of or retracts into the fixing piece, the teeth comprise front faces facing the moving direction of the telescopic piece when the clamping part is separated from the teeth, and the front faces and the vertical faces form an included angle and are overlapped with the rotating track of the clamping part. The telescopic assembly provided by the embodiment of the utility model has a self-locking function in the telescopic process of the telescopic piece, can improve the locking performance and can avoid the locking failure phenomenon in the use process.
Description
Technical Field
The utility model belongs to the field of telescopic connection of objects, and particularly relates to a telescopic assembly and a lamp.
Background
The telescopic connection mode has wide application occasions, and the telescopic structures are different according to the use design of scenes. One of them kind of current adopts the driving gear to be connected with the mode of hanging the tooth complex, its design makes the object can realize in the motion that extremely slide, and the cooperation of hanging tooth and driving gear makes the structure reliable relatively, it is specific the scalable setting of driving gear, hang the tooth and locate one side of driving gear and the tip of hanging the tooth through around central point pivoted mode and driving gear cooperation or unhook in order to realize locking or the unblock to the driving gear, and avoid producing to hang the tooth and avoid producing to interfere with driving gear cooperation in-process and lead to hanging the tooth can not be smooth and the driving gear cooperation or break away from, consequently, hang the tooth and set vertical plane with the contact surface of driving gear, but there are some defects in this kind of structure: when the hanging teeth are subjected to the reaction force in the telescopic direction of the transmission teeth, the contact surfaces of the hanging teeth and the transmission teeth are easy to slide to cause the hanging teeth to be separated, so that the problem of failure in locking of the transmission teeth is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a telescopic assembly, and aims to solve the problem that in the prior art, a locking part is easy to disengage to cause locking failure.
The utility model is thus achieved, a telescopic assembly comprising:
a fixing member;
the telescopic piece is arranged on the fixing piece in a telescopic manner, and a plurality of teeth are arranged on the telescopic piece along the telescopic direction;
the locking piece is rotatably arranged on the fixing piece, a clamping part is arranged at the end part of the locking piece, the clamping part can be matched with one of the teeth, when the clamping part is separated from the teeth, the telescopic piece extends out of or retracts into the fixing piece, the teeth comprise front faces facing the moving direction of the telescopic piece when the clamping part is separated from the teeth, and the front faces and the vertical faces form an included angle and are overlapped with the rotating track of the clamping part.
Further, the retraction assembly further comprises:
the first preload piece is arranged on the fixing piece and provides pre-tightening force for the locking piece to enable the clamping part to be matched with the teeth.
Furthermore, the middle part of the locking piece is rotationally set in the fixing piece, the clamping part is arranged at one end of the locking piece, a pressing piece is arranged outside the fixing piece, the pressing piece extends into the fixing piece and is abutted against the other end of the locking piece, and the pressing piece can move towards the fixing piece to drive the pressing piece to rotate so that the clamping part is separated from the teeth.
Further, the retraction assembly further comprises:
a second preload member provided in the fixed member and providing a preload force to the extensible member to extend or retract the fixed member when the latch portion is disengaged from the tooth.
Further, the tooth still including deviating from the back of front, the back to the slope of front sets up, the card end be with tooth complex spacing groove, the relative both sides cell wall of spacing groove respectively with front, the back laminating sets up.
Furthermore, the telescopic piece is provided with a guide groove, the teeth are arranged in the guide groove, and when the clamping part is matched with the teeth, the clamping part is embedded in the guide groove.
Furthermore, a channel for the telescopic piece to move is arranged in the fixing piece, and a limiting part abutted against the periphery of the telescopic piece is arranged on the side wall of the channel.
Furthermore, the locking piece and the telescopic piece are both made of plastic materials.
The utility model also provides a lamp which comprises a lamp body, a handle and the telescopic component, wherein the fixing piece is fixedly arranged on the lamp body, and the handle is arranged outside the lamp body and connected with the telescopic piece.
The utility model has the advantages that the included angle is formed between the front surface of the tooth and the vertical surface, so that when the clamping part is matched with the tooth, the front surface is in an inclined posture, when the clamping part locks the telescopic piece, the telescopic piece can be effectively prevented from extending out or retracting, the clamping part can be prevented from rotating along with the locking piece to separate from the tooth due to the slip generated between the clamping part and the tooth, the rotation track of the front surface is overlapped with the rotation track of the clamping part, the rotation of the locking piece can be prevented from being interfered by the inclination angle of the front surface, and the normal work of the locking piece can be ensured.
Drawings
FIG. 1 is an external structural view of a telescoping assembly provided by the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view at C in FIG. 2;
FIG. 4 is a partially exploded schematic view of a retraction assembly provided by the present invention;
FIG. 5 is a block diagram of a locking member of a retraction assembly provided by the present invention;
FIG. 6 is a block diagram of a telescoping member of a telescoping assembly provided by the present invention;
FIG. 7 is a cross-sectional view at B-B of a retraction assembly provided by the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
According to the utility model, the included angle is formed between the front surface of the tooth and the vertical surface, so that when the clamping part is matched with the tooth, the front surface is in an inclined posture, when the clamping part locks the telescopic piece, the telescopic piece can be effectively prevented from extending out or retracting, the clamping part can be prevented from being separated from the tooth along with the rotation of the locking piece due to the slip between the clamping part and the tooth, the rotation track of the front surface and the rotation track of the clamping part are overlapped, the inclination angle of the front surface can be ensured not to interfere with the rotation of the locking piece, and the normal work of the locking piece can be ensured.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a telescopic assembly, which includes a fixed member 1, a telescopic member 2, and a locking member 3. Wherein, mounting 1 is located to extensible member 2 telescopically, extensible member 2 is equipped with a plurality of teeth 21 along its flexible direction range, locking member 3 rotationally locates mounting 1, the tip of locking member 3 is equipped with clamping part 31, clamping part 31 can cooperate with one of them tooth 21 in order to realize the locking to extensible member 2 and prevent extensible member 2 from removing, when clamping part 31 breaks away from tooth 21, extensible member 2 stretches out or retracts mounting 1, tooth 21 includes the front 21a towards the orientation that extensible member 2 moved when clamping part 31 breaks away from tooth 21, front 21a is the contained angle setting with vertical and coincides mutually with the rotation orbit of clamping part 31.
Through setting up the positive 21a and the vertical contained angle setting (F angle in fig. 3) of tooth 21 for clamping part 31 is when cooperating with tooth 21, positive 21a is the slope gesture, when clamping part 31 realizes the locking to extensible member 2, can effectual prevention extensible member 2 removes, thereby can avoid producing between clamping part 31 and the tooth 21 and skid and lead to clamping part 31 to rotate along with locking part 3 and break away from tooth 21, and positive 21a coincides mutually with the rotation orbit of clamping part 31, can guarantee that the inclination of positive 21a can not dry out the rotation of locking part 3, thereby guarantee the normal work of locking part 3.
The telescopic assembly provided by the embodiment of the utility model has a self-locking function in the telescopic process of the telescopic part 2, can improve the locking performance and can avoid the locking failure phenomenon in the use process.
Referring to fig. 4, in particular, the locking member 3 is provided with a rotating shaft 9, and the rotating shaft 9 is fixed on the fixing member 1 to fix the locking member 3.
In this embodiment, the extension or retraction of the telescopic member 2 to or from the fixing member 1 may be provided as desired, for example, when the locking member 3 locks the telescopic member 2 to prevent the retraction of the fixing member 1, then when the locking portion 31 is disengaged from the teeth 21, the telescopic member 2 may be retracted into the fixing member 1; conversely, when locking member 3 locks telescopic member 2 against retraction of fixing member 1, then when stop 31 disengages from tooth 21, telescopic member 2 can be extended out of fixing member 1.
In this embodiment, the locking member 3 and the telescopic member 2 can be made of plastic material. This can reduce the cost, and can increase the frictional force between the locking portion 31 and the tooth 21, thereby improving the stability of the engagement between the locking portion 31 and the tooth 21.
Example two
Referring to fig. 3-4, in the first embodiment, the telescopic assembly further includes a first preload member 4, the first preload member 4 is disposed on the fixing member 1 and provides the locking member 3 with a preload force of the engaging portion 31 engaging with the teeth 21. In this way, the locking member 3 can lock the telescopic member 2 in a normal state, and the telescopic member 2 can be unlocked by overcoming the acting force of the first preload member 4 so that the telescopic member 2 can extend or retract into the fixed member 1.
In this embodiment, the first preload member 4 may be a torsion spring, and the torsion spring may be fixed to the rotating shaft 9.
EXAMPLE III
Referring to fig. 3, specifically, the middle portion of the locking member 3 is rotatably fixed to the fixing member 1, the locking portion 31 is disposed at one end of the locking member 3, the pressing member 6 is disposed outside the fixing member 1, the pressing member 6 extends into the fixing member 1 and abuts against the other end of the locking member 3, and the pressing member 6 can move toward the fixing member 1 to drive the pressing member 6 to rotate, so that the locking portion 31 is disengaged from the tooth 21. In this way, the rotation of the locking member 3 can be controlled by the pressing member 6 so as to operate the locking member 3 outside the fixing member 1.
Specifically, a through groove 12 through which the pressing member 6 can pass is formed in the fixing member 1, the pressing member 6 passes through the through groove 12 and can move in the through groove 12, a first protruding portion 61 capable of preventing the pressing member from being separated from the through groove 12 is formed in the pressing member 6, a second protruding portion 121 abutted against the first protruding portion 61 is formed in the side wall of the through groove 12, and the pressing member 6 is abutted against the other end of the locking member 3.
Example four
Referring to fig. 2-3, in any one of the first to third embodiments, further, the telescopic assembly further comprises a second preload member 5, the second preload member 5 is disposed in the fixing member 1 and provides a preload force to the telescopic member 2 to extend or retract the fixing member 1 when the latch 31 is disengaged from the tooth 21, that is, when the locking member 3 locks the telescopic member 2 to prevent the telescopic member 2 from retracting into the fixing member 1, the telescopic member 2 can be automatically retracted into the fixing member 1 by the action of the second preload member 5 after the latch 31 is disengaged from the tooth 21, and vice versa. Thus, when the locking member 3 is rotated to disengage the engaging portion 31 from the teeth 21, the extensible member 2 can be automatically extended or retracted to the fixed member 1 by the second preload member 5, and the operation of the extensible member 2 is not required to be manually performed, thereby simplifying the operation of a person.
Further, the second preload member 5 may be a coil spring, specifically, a mounting post 8 may be disposed on the telescopic member 2, the coil spring is sleeved on the mounting post 8, and meanwhile, the coil spring is in a compressed or stretched state, so that when the clamping portion 31 is disengaged from the tooth 21, the restoring force of the coil spring can retract or extend the telescopic member 2 out of the fixing member 1.
In this embodiment, the coil spring may be set in a compressed state, and when the locking portion 31 is disengaged from the tooth 21, the extensible member 2 may be rapidly extended out of the fixing member 1, and at this time, the front face 21a of the tooth 21 is provided on the side in the direction toward which the extensible member 2 is extended out of the fixing member 1.
EXAMPLE five
Referring to fig. 3 and 5, in addition to the fourth embodiment, the tooth 21 further includes a back surface 21b away from the front surface 21a, the back surface 21b is inclined toward the front surface 21a, the locking portion 31 is a limit groove engaged with the tooth 21, and opposite side walls of the limit groove are respectively attached to the front surface 21a and the back surface 21 b. Thus, the engaging area of the engaging portion 31 and the teeth 21 can be increased by engaging the engaging portion 31 with the teeth 21 by using the structure of the limit groove, so as to increase the engaging tightness between the engaging portion 31 and the teeth 21, so as to increase the locking capability of the locking member 3 to the extensible member 2, the teeth 21 are provided with the back surface 21b inclined toward the front surface 21a, and the opposite two side walls of the limit groove are respectively attached to the front surface 21a and the back surface 21b, the locking member 3 applies a force to the extensible member 2 toward the back surface 21b in the state of locking the extensible member 2, and the extensible member 2 can move toward the back surface 21b, that is, because the back surface 21b is attached to one side wall of the limit groove, when the extensible member 2 is pushed, the side wall of the limit groove can slide along the back surface 21b to separate from the currently engaged teeth 21, and can engage with the next teeth 21 under the action of the first pretensioner 4. Therefore, this design is through the participation of first preload piece 4 for locking piece 3 only need to telescopic part 2 spacing in a moving direction can, simplified telescopic component's structure.
EXAMPLE six
Referring to fig. 6, in any of the first to fifth embodiments, the extensible member 2 is further provided with a guide groove 22, the teeth 21 are provided in the guide groove 22, and the locking portion 31 is fitted into the guide groove 22 when the locking portion 31 is engaged with the teeth 21. Like this, locking piece 3 is when rotating to extensible member 2 direction, and guide slot 22 can fix a position locking piece 3, avoids locking piece 3 to deviate with tooth 21 easily and unable fine cooperation with tooth 21 in the rotation process.
EXAMPLE seven
Referring to fig. 7, on the basis of any one of the first to sixth embodiments, a channel 11 for moving the extensible member 2 is further disposed in the fixing member 1, and a limiting portion 111 abutting against the periphery of the extensible member 2 is disposed on a side wall of the channel 11. So, spacing portion 111 can improve the guide ability to extensible member 2, avoids extensible member 2 direct and 11 contacts of passageway and leads to the area too big for extensible member 2 if too big with 11 clearances in passageway, then appears rocking easily, if the clearance undersize, then frictional force increase leads to extensible member 2 flexible the appearance jamming phenomenon.
Specifically, the fixing member 1 comprises a first split body 1a and a second split body 1b which are connected in a covering manner, and the first split body 1a and the second split body 1b are covered to form a channel 11, so that the telescopic member 2, the locking member 3, the first preload member 4, the second preload member 5 and the pressing member 6 are conveniently installed.
Example eight
The embodiment of the utility model also provides a lamp, which comprises a lamp body (not shown in the figure), a handle 7 and the telescopic component, wherein the fixing part 1 is fixedly arranged on the lamp body, and the handle 7 is arranged outside the lamp body and is connected with the telescopic part 2.
The working principle is as follows: the handle 7 is connected with the telescopic part 2, when the fixing part 1 extends and retracts the telescopic part 2, the handle 7 can move along with the telescopic part 2, and a clamping part for clamping an object is formed at the space between the handle 7 and the lamp body, for example, taking the case that the second pre-tightening part 5 is arranged to provide pre-tightening force for the telescopic part 2 to extend out of the fixing part 1 for the telescopic part 2, the locking part 3 locks the telescopic part 2 to prevent the telescopic part 2 from extending out of the fixing part 1, when in use, the pressing part 6 is pressed to enable the locking part 3 to rotate, at the moment, the clamping part 31 is separated from the tooth 21, under the action of the second pre-tightening part 5, the telescopic part 2 can extend out of the fixing part 1, the pressing part 6 is released, the locking part rotates towards the telescopic part 2, the clamping part 31 is matched with the tooth 21 to realize the locking of the telescopic part 2, and at the moment, the telescopic part 2 can be stopped at the current position; when the current distance between the lamp body and the handle 7 is too large, so that the clamping part is not firm, the pressing piece 6 is not needed to be operated, and the telescopic piece 2 is directly pushed to enable the telescopic piece 2 to retract into the fixing piece 1 (the structure is arranged by utilizing the back surface 21b of the tooth 21 to incline towards the front surface 21 a) so as to reduce the distance between the handle 7 and the lamp body.
According to the lamp provided by the embodiment of the utility model, the handle 7 has a self-locking function in the telescopic process, and meanwhile, the locking performance can be improved, and the locking failure phenomenon in the use process can be avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A telescoping assembly, comprising:
a fixing member;
the telescopic piece is arranged on the fixing piece in a telescopic manner, and a plurality of teeth are arranged on the telescopic piece along the telescopic direction;
the locking piece is rotatably arranged on the fixing piece, a clamping part is arranged at the end part of the locking piece, the clamping part can be matched with one of the teeth, when the clamping part is separated from the teeth, the telescopic piece extends out of or retracts into the fixing piece, the teeth comprise front faces facing the moving direction of the telescopic piece when the clamping part is separated from the teeth, and the front faces and the vertical faces form an included angle and are overlapped with the rotating track of the clamping part.
2. The telescoping assembly of claim 1, further comprising:
the first preload piece is arranged on the fixing piece and provides pre-tightening force for the locking piece to enable the clamping part to be matched with the teeth.
3. The telescopic assembly as claimed in claim 2, wherein the locking member has a middle portion rotatably set to the fixing member, the locking portion is provided at one end of the locking member, a pressing member is provided outside the fixing member, the pressing member is inserted into the fixing member and abuts against the other end of the locking member, and the pressing member is movable in the direction of the fixing member to drive the pressing member to rotate so that the locking portion is disengaged from the teeth.
4. The telescoping assembly of claim 1, further comprising:
a second preload member provided in the fixed member and providing a preload force to the extensible member to extend or retract the fixed member when the latch portion is disengaged from the tooth.
5. The retraction assembly according to claim 4, wherein said tooth further includes a rear surface facing away from said front surface, said rear surface being disposed obliquely to said front surface, said stop portion being a limit groove engaged with said tooth, opposite side groove walls of said limit groove being disposed in abutment with said front surface and said rear surface, respectively.
6. The telescopic assembly of claim 1, wherein the telescopic member is provided with a guide groove, the teeth are provided in the guide groove, and the latch is fitted in the guide groove when the latch is engaged with the teeth.
7. The telescopic assembly as claimed in claim 1, wherein the fixed member has a passage for the telescopic member to move, and the side wall of the passage has a position-limiting portion abutting against the periphery of the telescopic member.
8. The telescoping assembly of claim 1, wherein the locking member and the telescoping member are made of a plastic material.
9. A lamp comprising a lamp body, a handle and the telescopic assembly as claimed in any one of claims 1 to 8, wherein the fixing member is fixed to the lamp body, and the handle is disposed outside the lamp body and connected to the telescopic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107810.9U CN216113907U (en) | 2021-05-21 | 2021-05-21 | Telescopic assembly and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107810.9U CN216113907U (en) | 2021-05-21 | 2021-05-21 | Telescopic assembly and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216113907U true CN216113907U (en) | 2022-03-22 |
Family
ID=80719732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121107810.9U Expired - Fee Related CN216113907U (en) | 2021-05-21 | 2021-05-21 | Telescopic assembly and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216113907U (en) |
-
2021
- 2021-05-21 CN CN202121107810.9U patent/CN216113907U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |