CN213439428U - Fixed bolt tightening gun rotary switching device - Google Patents
Fixed bolt tightening gun rotary switching device Download PDFInfo
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- CN213439428U CN213439428U CN202021552758.3U CN202021552758U CN213439428U CN 213439428 U CN213439428 U CN 213439428U CN 202021552758 U CN202021552758 U CN 202021552758U CN 213439428 U CN213439428 U CN 213439428U
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Abstract
The utility model discloses a rotatory auto-change over device of fixed bolt tightening rifle relates to car axle assembly technical field, aims at solving a fixed bolt tightening rifle and can only twist the bolt of coplanar, same direction, to the bolt of different planes, not equidirectional, the simplex position is accomplished then need increase extra bolt tightening rifle, problem with increased costs. The technical scheme is that the fan-shaped switching disc comprises a base, a fan-shaped switching disc and a support which is rotatably connected to the outer side of the fan-shaped switching disc, two positioning holes are formed in two ends of the fan-shaped switching disc, a spring pull pin penetrates through one end of the support, and one end, far away from the support, of the spring pull pin is inserted into the positioning holes. Inserting the spring pull pin into one of the positioning holes, and screwing the first bolt by using a screwing gun; when the vehicle axle bolt is switched, the spring pull pin is pulled out backwards to be withdrawn from the positioning hole, the support rotates by 90 degrees until being inserted into the other positioning hole, the tightening gun is used for tightening the second bolt, the operation is completed, and the accurate positioning switching of the tightening direction of the vehicle axle bolt is realized.
Description
Technical Field
The utility model belongs to the technical field of the technique of car axle assembly and specifically relates to a rotatory auto-change over device of rifle is screwed up to fixed bolt.
Background
The axle of automobile is connected to the frame via suspension, and has two ends connected to the wheels via hubs.
The axle comprises two parts of a reduction gearbox and a motor, and the existing tool is formed by supporting a shell and a motor assembly by 4 studs. At present, the bolt tightening of the axle is usually realized by adopting a fixed bolt tightening gun.
The above prior art solutions have the following drawbacks: the fixed bolt tightening gun can only tighten bolts on the same plane and in the same direction, and for bolts on different planes and in different directions, additional bolt tightening guns are needed when a single station is completed, so that the cost is increased, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed bolt tightening gun rotary switching device, it has fast switch over and screws up rifle direction and accurate spacing effect.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a rotatory auto-change over device of fixed bolt tightening rifle, includes the base, fixes on the base side and the cross-section is the fan-shaped switching dish of quarter circle and rotates the support of connecting in the fan-shaped switching dish outside, the both ends of fan-shaped switching dish are provided with two locating holes, the spring pull pin is worn to be equipped with by the one end of support, the spring pull pin is kept away from the one end of support and is inserted and locate the locating hole, the one end that the spring pull pin was kept away from to the support is connected with the mounting fixture who is used for the fixed rifle of.
The utility model discloses further set up to: an arc-shaped groove is formed in the end face of the fan-shaped switching plate and located between the two positioning holes.
The utility model discloses further set up to: and the spring pull pin is provided with a limiting mechanism for limiting the spring pull pin to be separated from the bracket.
The utility model discloses further set up to: the limiting mechanism comprises a hoop sleeved on the spring pull pin, the outer diameter of the hoop is larger than that of the spring pull pin, and the hoop is located between the support and the fan-shaped switching disc.
The utility model discloses further set up to: a bearing seat is arranged between the fan-shaped switching plate and the support, a rotating shaft inserted into the bearing seat is connected to the support, and a bearing located in the bearing seat is connected to the rotating shaft.
The utility model discloses further set up to: and one end of the spring pull pin, which is far away from the positioning hole, is connected with a handle.
To sum up, the utility model discloses a beneficial technological effect does:
1. through the arrangement of the spring pull pin and the fan-shaped switching disc, the spring pull pin is inserted into one of the positioning holes so as to fix the bracket, and the tightening gun is maintained in the state to tighten the first bolt; when the direction is required to be switched, the spring pull pin is pulled out backwards to enable the spring pull pin to be withdrawn from the positioning hole, the support rotates by 90 degrees until the support is finally inserted into another positioning hole, the tightening gun is maintained in the state to tighten the second bolt, the operation is completed, and the accurate positioning switching of the tightening direction of the axle bolt is realized;
2. through the setting of arc wall, when switching the direction, pull out the spring and draw the round pin and make the spring draw the round pin to withdraw from in the locating hole backward, the support rotates 90 around the axis of rotation, and at this moment, the spring draws the round pin and removes until inserting another locating hole at last along the orbit of arc wall, and the spring draws the round pin and is difficult for producing the skew.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of the embodiment of the present invention;
fig. 3 is a schematic structural view for showing a spring pull pin.
In the figure, 1, a base; 2. a sector switching disk; 21. positioning holes; 22. an arc-shaped slot; 3. a support; 31. fixing the clamp; 4. a spring pull pin; 41. hooping; 42. a handle; 5. a bearing seat; 51. a rotating shaft; 52. and a bearing.
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 and 2, for the utility model discloses a rotatory auto-change over device of fixed bolt tightening rifle, including base 1, fix with screw on the base 1 side and the cross-section is fan-shaped switching dish 2 and rotate and connect in the support 3 in the fan-shaped 2 outsides of switching dish for the quarter circle, the screw connection has bearing frame 5 between fan-shaped switching dish 2 and the support 3, is connected with the axis of rotation 51 that inserts bearing frame 5 on the support 3, is connected with the bearing 52 that is located bearing frame 5 in the axis of rotation 51. When the holder 3 rotates about the rotating shaft 51, the bearing 52 reduces friction force at the time of rotation.
Referring to fig. 1 and 3, two positioning holes 21 are formed at two ends of the sector switching plate 2, a spring pull pin 4 is inserted into one end of the bracket 3, one end of the spring pull pin 4, which is far away from the bracket 3, is inserted into the positioning holes 21, and one end of the bracket 3, which is far away from the spring pull pin 4, is connected to a fixing clamp 31 for fixing the tightening gun. The end face of the fan-shaped switching disk 2 is provided with an arc-shaped groove 22, the arc-shaped groove 22 is positioned between the two positioning holes 21, and the arc-shaped groove 22 is communicated with the positioning holes 21. The tightening gun is arranged on the fixing clamp 31, when in work, the spring pull pin 4 is inserted into one of the positioning holes 21 so as to fix the bracket 3, and the tightening gun realizes the tightening of the first bolt under the state of maintaining the tightening gun; when the direction is switched, the spring pull pin 4 is pulled backwards, so that the spring pull pin 4 is withdrawn from the positioning hole 21, the bracket 3 rotates by 90 degrees around the rotating shaft 51, at the moment, the spring pull pin 4 moves along the track of the arc-shaped groove 22 until being finally inserted into another positioning hole 21, and the tightening gun is maintained in the state to tighten the second bolt, so that the operation is completed.
Referring to fig. 1 and 3, in order to facilitate the operator to pull out the spring pulling pin 4, a handle 42 is connected to an end of the spring pulling pin 4 away from the positioning hole 21. The spring pull pin 4 is provided with a limiting mechanism for limiting the spring pull pin 4 to be separated from the bracket 3. In this embodiment, the limiting mechanism includes an anchor ear 41 sleeved on the spring pull pin 4, the outer diameter of the anchor ear 41 is greater than the outer diameter of the spring pull pin 4, and the anchor ear 41 is located between the bracket 3 and the sector switching plate 2. The anchor ear 41 prevents the spring pull pin 4 from being separated from the bracket 3, and improves the installation stability of the spring pull pin 4.
The implementation principle of the embodiment is as follows: the tightening gun is arranged on the fixing clamp 31, when in work, the spring pull pin 4 is inserted into one of the positioning holes 21 so as to fix the bracket 3, and the tightening gun realizes the tightening of the first bolt under the state of maintaining the tightening gun; when the direction is switched, the spring pull pin 4 is pulled backwards, so that the spring pull pin 4 is withdrawn from the positioning hole 21, the bracket 3 rotates by 90 degrees around the rotating shaft 51, at the moment, the spring pull pin 4 moves along the track of the arc-shaped groove 22 until being finally inserted into another positioning hole 21, and the tightening gun is maintained in the state to tighten the second bolt, so that the operation is completed.
The accurate positioning switching of the tightening direction of the axle bolt is realized, the operation convenience of workers is ensured, the gun changing time is saved, and the investment of adding the gun is avoided; the shell is suitable for various types of shells, and the application range is wide; the structure principle is simple, the cost is low, the positioning is accurate, and the operation process is reliable, efficient and safe.
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 (6)
1. The utility model provides a rotatory auto-change over device of fixed bolt tightening rifle which characterized in that: including base (1), fix on base (1) side and the cross-section is fan-shaped switching dish (2) of quarter circle and rotate and connect in support (3) in fan-shaped switching dish (2) outside, the both ends of fan-shaped switching dish (2) are provided with two locating holes (21), spring pull pin (4) are worn to be equipped with by the one end of support (3), the spring pull pin (4) keep away from the one end of support (3) and insert and locate in locating hole (21), the one end that spring pull pin (4) were kept away from in support (3) is connected with mounting fixture (31) that are used for fixed rifle of screwing up.
2. The rotary switching device of a stationary bolt tightening gun according to claim 1, characterized in that: an arc-shaped groove (22) is formed in the end face of the fan-shaped switching disc (2), and the arc-shaped groove (22) is located between the two positioning holes (21).
3. The rotary switching device of a stationary bolt tightening gun according to claim 1, characterized in that: and the spring pull pin (4) is provided with a limiting mechanism for limiting the spring pull pin (4) to be separated from the bracket (3).
4. A stationary bolt-tightening gun rotary switching apparatus according to claim 3, characterized in that: the limiting mechanism comprises a hoop (41) sleeved on the spring pull pin (4), the outer diameter of the hoop (41) is larger than that of the spring pull pin (4), and the hoop (41) is located between the support (3) and the fan-shaped switching disc (2).
5. The rotary switching device of a stationary bolt tightening gun according to claim 1, characterized in that: a bearing seat (5) is arranged between the fan-shaped switching disc (2) and the support (3), a rotating shaft (51) inserted into the bearing seat (5) is connected onto the support (3), and a bearing (52) located in the bearing seat (5) is connected onto the rotating shaft (51).
6. The rotary switching device of a stationary bolt tightening gun according to claim 1, characterized in that: one end of the spring pull pin (4) far away from the positioning hole (21) is connected with a handle (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552758.3U CN213439428U (en) | 2020-07-31 | 2020-07-31 | Fixed bolt tightening gun rotary switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552758.3U CN213439428U (en) | 2020-07-31 | 2020-07-31 | Fixed bolt tightening gun rotary switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213439428U true CN213439428U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552758.3U Active CN213439428U (en) | 2020-07-31 | 2020-07-31 | Fixed bolt tightening gun rotary switching device |
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| CN (1) | CN213439428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042127A (en) * | 2022-05-19 | 2022-09-13 | 上海宇航系统工程研究所 | Tool for detaching external screw of spacecraft cabin and alignment method |
-
2020
- 2020-07-31 CN CN202021552758.3U patent/CN213439428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042127A (en) * | 2022-05-19 | 2022-09-13 | 上海宇航系统工程研究所 | Tool for detaching external screw of spacecraft cabin and alignment method |
| CN115042127B (en) * | 2022-05-19 | 2023-12-12 | 上海宇航系统工程研究所 | Spacecraft cabin external screw disassembling tool and alignment method |
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