CN207989447U - A kind of locking device - Google Patents
A kind of locking device Download PDFInfo
- Publication number
- CN207989447U CN207989447U CN201820254509.2U CN201820254509U CN207989447U CN 207989447 U CN207989447 U CN 207989447U CN 201820254509 U CN201820254509 U CN 201820254509U CN 207989447 U CN207989447 U CN 207989447U
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- CN
- China
- Prior art keywords
- limit set
- upper limit
- voussoir
- lower limit
- spring
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Abstract
The utility model discloses a kind of locking devices, including shell, upper limit set, lower limit set, screw rod, first groove, positioning stud, first spring, second groove, axle sleeve, clamp spring, latch segment, first voussoir, second voussoir and second spring, enclosure interior is provided with upper limit set and lower limit set, upper limit external threading connects inside housings, lower limit is set on the lower section of upper limit set, the outer wall of lower limit set is fixed on the madial wall of shell, upper limit covers and what lower limit covered is provided centrally with for the perforative channel of screw rod, it is provided with screw thread corresponding with screw rod on the conduit wall of upper limit set, upper limit covers and lower limit set is in locking or disengaged position by the up and down motion of screw rod；The lower end of screw rod is fixedly installed connecting rod, and upper part and the clamp spring of connecting rod are in locking or disengaged position, in locking or disengaged position between the lower part and latch segment of connecting rod.The utility model is easy to use, and locking effect is good.
Description
Technical field
The utility model is specifically related to a kind of locking device.
Background technology
The telescopic rod of top holder mostly uses greatly screw nut or latch structure is fixed, and the cooperation of screw nut is susceptible to
Stripped thread phenomenon, and bolt is easy to fall off and is broken, and is especially easier such phenomenon occur during automobile vibration.Repeatedly make
With later, each component generates abrasion, and locking effect can be deteriorated, lose coupling mechanism force, telescopic rod be caused to loosen, can not fasten.
Invention content
In order to solve the above technical problems, the utility model provides a kind of locking device.
The technical solution of the utility model is：A kind of locking device, including shell, upper limit set, lower limit set, screw rod,
First groove, positioning stud, the first spring, the second groove, axle sleeve, clamp spring, latch segment, the first voussoir, the second voussoir and second
Spring, enclosure interior are provided with upper limit set and lower limit set, and upper limit external threading connects inside housings, lower limit set setting
In the lower section of upper limit set, the outer wall of lower limit set is fixed on the madial wall of shell, the center of upper limit set and lower limit set
Be provided with for the perforative channel of screw rod, be provided with screw thread corresponding with screw rod on the conduit wall of upper limit set, upper limit set and
Lower limit set is in locking or disengaged position by the up and down motion of screw rod；The lower end of screw rod is fixedly installed connecting rod, in spiral shell
Under the drive of bar, upper part and the clamp spring of connecting rod are in locking or disengaged position, between the lower part and latch segment of connecting rod
In locking or disengaged position.
Further, the lower face of the upper limit set is provided with the first groove, and the first spring is fixed on the first groove
Bottom surface, the other end of the first spring and the top of positioning stud are fixed, and the receiving of the first groove is partially received on positioning stud,
The lower part of positioning stud is contained in the second groove of lower limit set, is provided on the inner wall of the second groove and positioning stud phase
Corresponding screw thread, upper limit set is covered with lower limit to be connected by positioning stud.
Further, the outer wall of the axle sleeve is fixed on the internal face of shell, and the medial surface of axle sleeve is provided with big screw pitch
T shape screw threads, axle sleeve is internally provided with clamp spring, and the lateral surface of clamp spring is fixedly installed T shapes compatible with the medial surface of axle sleeve
The medial surface of screw thread, clamp spring is provided with buttless thread, and the top of connecting rod, which is set up separately, is equipped with saw corresponding with the medial surface of clamp spring
Tooth thread.
Further, the lower part of the connecting rod is fixedly installed the first tooth, and the medial surface of latch segment is provided with and the
Compatible second tooth of one tooth.
Further, the lateral surface of the latch segment is fixedly connected with the first voussoir, and the lateral surface of the first voussoir is to tilt
Face is provided with the second voussoir on the outside of the first voussoir, and the inside of the second voussoir has the inclined surface mutually agreed with the first voussoir, the
It is fixedly connected by second spring between the lateral surface of two voussoirs and the inner wall of shell.
Further, it is provided with ratchet on the lower face of the upper limit set, spine is provided on the upper surface of lower limit set
Tooth.
Further, washer and gasket are provided between the screw rod and connecting rod.
The beneficial effects of the utility model are：The utility model by screw rod by upper limit set with lower limit cover locking, and
And by positioning stud lock upper limit set with lower limit set, screw rod, which moves downward, is pressed downward connecting rod so that connecting rod with
Clamp spring, latch segment locking.The utility model coupling mechanism force is high, while effectivelying prevent stuck, locking, convenient for unlocking.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings, the present embodiment is not constituted to this
The limitation of utility model.
As shown in Figure 1, a kind of locking device, including shell 1, upper limit set 2, lower limit set 3, screw rod 4, the first groove 5,
First spring 6, positioning stud 7, the second groove 8, washer 9, gasket 10, axle sleeve 11, clamp spring 12, buttless thread 13, the first tooth 14,
Latch segment 15, the second tooth 16, the first voussoir 17, the second voussoir 18, second spring 19, connecting rod 20.
Shell 1 is internally provided with upper limit set 2 and lower limit set 3, and the outside wall surface of upper limit set 2 is provided with screw thread, shell 1
Internal thread corresponding with upper limit 2 external screw threads of set is provided on the inner wall of upper part, upper limit set 2 can be on the top of shell 1
Subregion moves up and down.Lower limit set 3 is arranged in the lower section of upper limit set 2, and the outer wall of lower limit set is fixed on the interior of shell
On side wall.Upper limit set 2 and lower limit set 3 are provided centrally with for 4 perforative channel of screw rod, on the conduit wall of upper limit set 2
It is provided with screw thread corresponding with screw rod 4.Under the drive of screw rod 4, upper limit set 2 is made up and down in the upper subregion of shell 1
Movement.
The lower face of upper limit set 2 is provided with the first groove 5, and the first spring 6, the first spring 6 are provided in the first groove 5
It is fixed on the bottom surface of the first groove 5, the top of the other end and positioning stud 7 of the first spring 6 is fixed.First groove 5 can accommodate
The lower part of the upper part of positioning stud 7, positioning stud 7 may be housed in the second groove 8 of lower limit set 3, the second groove 8
Inner wall on be provided with screw thread corresponding with positioning stud 7, positioning stud 7 moves downward under the drive of upper limit set 2, from
And upper limit set 2 is connected and fixed with lower limit set 3 by positioning stud 7.
It is provided with ratchet on the lower face of upper limit set 2, ratchet, upper limit set 2 are provided on the upper surface of lower limit set 3
Lower face and the upper surface of lower limit set 3 work in coordination, realized by the first spring 6 and positioning stud 7 and engage and be detached from.
The lower end of screw rod 4 is fixedly installed connecting rod 20, and connecting rod 20 moves up and down under the drive of screw rod 4.Screw rod 4
Washer 9 and gasket 10 are provided between connecting rod 20.The lower section of gasket 10 is provided with axle sleeve 11, and the outer wall of axle sleeve 11 is fixed on
On the internal face of shell 1, the medial surface of axle sleeve 11 is provided with the T shape screw threads of big screw pitch, and axle sleeve 11 is internally provided with clamp spring 12, card
The lateral surface of spring 12 is fixedly installed T shape screw threads compatible with the medial surface of axle sleeve 11, passes through T between clamp spring 12 and axle sleeve 11
Shape, which is screwed, has coupling mechanism force.The medial surface of clamp spring 12 is provided with buttless thread 13, and the top of connecting rod 20, which is set up separately, is equipped with phase
Coupling mechanism force is generated by buttless thread 13 between the top of corresponding buttless thread 13, clamp spring 12 and connecting rod 20 point.
The lower part of connecting rod 20 is fixedly installed the first tooth 14, and the lower section of shell 1 is provided with latch segment 15, latch segment 15
Medial surface be provided with the second tooth 16, the first tooth 14 is adapted with the second tooth 16.The lateral surface of latch segment 15 and the first voussoir 17
It is fixedly connected, the lateral surface of the first voussoir 17 is inclined surface, and the outside of the first voussoir 17 is provided with the second voussoir 18, the second voussoir
18 inside has the inclined surface agreed with 17 phase of the first voussoir, leads between the lateral surface and the inner wall of shell 1 of the second voussoir 18
Second spring 19 is crossed to be fixedly connected.
When screw rod 4 moves downward, and the bottom end of connecting rod 20 is pushed to contact 1 bottom of shell, the first tooth 14 in connecting rod 20
Engage locking with the second tooth 16 on latch segment 15, meanwhile, latch segment 15 since coupling mechanism force is moved to the inner wall direction of shell 1,
So that the inclined-plane of the first voussoir 17 is pushed down the inclined-plane of the second voussoir 18, realize wedge lock, improves coupling mechanism force.
The above descriptions are merely preferred embodiments of the present invention, is not used in limitation the utility model, this field skill
Art personnel can make various modifications or equivalent replacements in the essence and protection domain of the utility model to the utility model,
This modification or equivalent replacement also should be regarded as falling in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of locking device, it is characterised in that：Including shell, upper limit set, lower limit set, screw rod, the first groove, positioning spiral shell
Column, the first spring, the second groove, axle sleeve, clamp spring, latch segment, the first voussoir, the second voussoir and second spring, enclosure interior are set
It is equipped with upper limit set and lower limit set, upper limit external threading connects inside housings, and lower limit is set under upper limit set
The outer wall of side, lower limit set is fixed on the madial wall of shell, and upper limit set and being provided centrally with for lower limit set are passed through for screw rod
The channel worn is provided with screw thread corresponding with screw rod on the conduit wall of upper limit set, and upper limit set and lower limit set pass through spiral shell
Locking or disengaged position are realized in the up and down motion of bar；The lower end of screw rod is fixedly installed connecting rod, under the drive of screw rod, connection
The upper part of bar is in locking or disengaged position with clamp spring, in locking or disengaging shape between the lower part and latch segment of connecting rod
State.
2. a kind of locking device according to claim 1, it is characterised in that：The lower face of upper limit set is provided with the
One groove, the first spring are fixed on the bottom surface of the first groove, and the other end of the first spring and the top of positioning stud are fixed, positioning
The receiving of the first groove is partially received on stud, the lower part of positioning stud is contained in the second groove of lower limit set, the
Screw thread corresponding with positioning stud is provided on the inner wall of two grooves, upper limit set and lower limit set are connected by positioning stud
It connects.
3. a kind of locking device according to claim 2, it is characterised in that：The outer wall of the axle sleeve is fixed on the interior of shell
On wall surface, the medial surface of axle sleeve is provided with the T shape screw threads of big screw pitch, and axle sleeve is internally provided with clamp spring, and the lateral surface of clamp spring is fixed
T shape screw threads compatible with the medial surface of axle sleeve are provided with, the medial surface of clamp spring is provided with buttless thread, the upper part of connecting rod
It is provided with buttless thread corresponding with the medial surface of clamp spring.
4. a kind of locking device according to claim 3, it is characterised in that：The lower part of the connecting rod is fixedly installed
The medial surface of first tooth, latch segment is provided with the second tooth compatible with the first tooth.
5. a kind of locking device according to claim 4, it is characterised in that：The lateral surface of the latch segment and the first voussoir
It is fixedly connected, the lateral surface of the first voussoir is inclined surface, and the second voussoir, the inside of the second voussoir are provided on the outside of the first voussoir
With the inclined surface mutually agreed with the first voussoir, fixed by second spring between the lateral surface of the second voussoir and the inner wall of shell
Connection.
6. according to a kind of locking device described in claim 1-5 any one, it is characterised in that：The lower end of the upper limit set
It is provided with ratchet on face, ratchet is provided on the upper surface of lower limit set.
7. a kind of locking device according to claim 6, it is characterised in that：Pad is provided between the screw rod and connecting rod
Circle and gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254509.2U CN207989447U (en) | 2018-02-13 | 2018-02-13 | A kind of locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254509.2U CN207989447U (en) | 2018-02-13 | 2018-02-13 | A kind of locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989447U true CN207989447U (en) | 2018-10-19 |
Family
ID=63824600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254509.2U Active CN207989447U (en) | 2018-02-13 | 2018-02-13 | A kind of locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736513A (en) * | 2020-12-29 | 2021-04-30 | 江苏迈道通信科技有限公司 | Universal grounding terminal wire clamp for grounding wire |
-
2018
- 2018-02-13 CN CN201820254509.2U patent/CN207989447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736513A (en) * | 2020-12-29 | 2021-04-30 | 江苏迈道通信科技有限公司 | Universal grounding terminal wire clamp for grounding wire |
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| GR01 | Patent grant |