CN208904322U - A kind of attachment device that installation is firm - Google Patents
A kind of attachment device that installation is firm Download PDFInfo
- Publication number
- CN208904322U CN208904322U CN201821568472.7U CN201821568472U CN208904322U CN 208904322 U CN208904322 U CN 208904322U CN 201821568472 U CN201821568472 U CN 201821568472U CN 208904322 U CN208904322 U CN 208904322U
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- CN
- China
- Prior art keywords
- gag lever
- lever post
- card slot
- rear cover
- fixture block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of attachment devices that installation is firm, including shell and the rear cover being removably mounted on the shell, two fan-shaped card slots are symmetrically arranged on the installation end face of the shell, the card slot upper end be fixed with can card slot described in shield portions limit plate, the slide plate of two with card slot cooperation are symmetrically arranged on the installation end face of the rear cover, the slide plate is equipped with the fixture block cooperated with the card slot far from described rear cover one end, the fixture block can be inserted at the card slot not blocked by the limit plate, after rotating the rear cover certain angle, the fixture block is moved to below the limit plate in the card slot, the limit plate can limit the rear cover by the fixture block and be detached from the shell.The utility model connection is reliable, and rear cover is not easily disconnected from shell.
Description
Technical field
The utility model relates to truck areas, and in particular to a kind of attachment device that installation is firm.
Background technique
Heavy truck is commonly equipped with a variety of electrical equipments, is powered by tractor.In order to realize between tractor and trailer, drag
Power supply between vehicle and trailer needs, it is necessary to is connected by electrical connector.Electrical connector is mainly used for heavy type traction
Power transmission between vehicle and trailer is responsible for the route safe and reliable to offers such as the brake lamp of trailer and turn signals, to drive
The instructions such as the brake and steering of the person of sailing can emerge from trailer, achieve the purpose that traffic safety.When driver instruction not
Can be current in trailer upper body, just have very big security risk.Such as when driver touches on the brake, the brake lamp of the tailstock does not work, after
The vehicle in face is just easy to knock into the back.Therefore, designing a kind of attachment device that installation is firm is that those skilled in the art urgently solve
A problem certainly.
Utility model content
The main purpose of the utility model is to provide a kind of attachment device that installation is firm, rear cover is not easy to take off with shell
From.
To achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of attachment device that installation is firm, including
Shell and the rear cover being removably mounted on the shell are symmetrically arranged with two fan-shaped cards on the installation end face of the shell
Slot, the card slot upper end be fixed with can card slot described in shield portions limit plate, be symmetrically arranged on the installation end face of the rear cover
Two slide plates cooperated with the card slot, the slide plate are equipped with the fixture block cooperated with the card slot, institute far from described rear cover one end
Stating fixture block can be inserted at the card slot not blocked by the limit plate, and after rotating the rear cover certain angle, the fixture block exists
It is moved in the card slot below the limit plate, the limit plate can limit the rear cover by the fixture block and be detached from the shell
Body；Lower section of the card slot far from the limit plate side is equipped with by gag lever post spring and can be slided up and down in the shell
Gag lever post, the card slot side is equipped with by locating rod spring horizontal in the shell to slide locating rod, the locating rod
One end is fixed with the rack gear that tooth tip is located in the card slot, and the fixture block is equipped with the tooth block that can be engaged with the rack gear, described
The locating rod other end, which is fixed with, can limit the mobile locking bar of the gag lever post, and the gag lever post is fixed close to the locating rod side
There is fixed block, the fixed block is equipped with the limiting slot mobile for the locking bar, and the fixture block slides into the card slot
When below the limit plate, the tooth block is moved horizontally by locating rod described in the rack drives, and the locking bar is made to be detached from institute
Limiting slot is stated, the gag lever post is moved in the card slot under the action of gag lever post spring, to pass through the limit
It is mobile that bar limits the fixture block；It is covered after described and is equipped with the through-hole that may pass through mandril at the corresponding gag lever post, the mandril can
The gag lever post is pushed, the gag lever post is made to be detached from the card slot, the fixture block detaches after being movable to above the gag lever post
The mandril continues to move to the fixture block, completes the disassembly to the rear cover.
As an improvement, the gag lever post is cylindrical structure, and tangent with three side walls of the card slot, when the locking bar is de-
When from the limiting slot, the fixture block and the gag lever post are spaced apart, when the gag lever post is moved in the card slot
When, the fixture block move backward to the gag lever post the tangent, drive the locking bar to be moved to below the fixed block, pass through
The locking bar limits the movement of the fixed block.Gag lever post is further fixed, can be received to avoid gag lever post spring when shaking excessive
Contracting, to make gag lever post that can not limit to fixture block.The step of when disassembly, is more complicated, keeps connection more firm.
As an improvement, described mandril one end is fixed with insulating bar, the mandril other end is equipped with locating slot, the locating slot
It is interior cooperate be plugged with the plate that both ends are equipped with inserting plate hole, covered after described and be equipped with the mounting hole that cooperates with the inserting plate hole, can
Using fastener by the plate be fixed on it is described after cover, so that it is mobile to limit the mandril；The gag lever post is far from described
Gag lever post spring one end is equipped with the path groove cooperated with the insulating bar.The setting of path groove can reduce be installed after push up
Bar stretches out the length of rear cover, avoids mandril stretching is too long from causing phenomena such as fractureing.It covers, can keep away after directly mandril is fixed on
The case where can not find tool when free of demolition generation.
As an improvement, there are two the locating slot, the cooperation locating slot is may be selected in the plate for arrangement on the mandril,
The intracorporal length of the shell is protruded into control the mandril.
As an improvement, the locking bar is equipped with the inclined-plane cooperated with the limiting slot, the limit close to described fixed block one end
Position slot can be by locating rod described in the slope driving to far from the fixed Block direction movement.When installation, slope driving limit
Bar, gag lever post act on fixture block, make to rotate when installation more labor-saving.
The settable plug-in unit for mounting terminal, electric wire may pass through rear cover cavity and connect with plug-in unit in housing cavity.
Compared with the prior art, the advantages of the utility model are: being snapped fit onto rear cover on shell by rotating, positioning is quasi-
Really and install easy to operate；It needs first to push down gag lever post when disassembly, then rotates rear cover, the operation of two steps can be to avoid because of vibration
Cause falling off for rear cover.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the shell of the utility model；
Fig. 2~3 are the schematic perspective views of the rear cover of the utility model；
Fig. 4 is the schematic perspective view of the mandril of the utility model；
Fig. 5 is the top view of the shell of the utility model；
Fig. 6 is the three-dimensional cutaway view in the direction A-A in Fig. 5；
Fig. 7 is the cross-sectional view in the direction B-B in Fig. 5；
Fig. 8 is the schematic diagram that Fig. 7 is in shell and rear cover engagement process；
Fig. 9 is the schematic perspective view of the locating rod of the utility model；
Figure 10 is the schematic perspective view of the gag lever post of the utility model；
The corresponding component names of each appended drawing reference are: 1. shells；11. card slot；12. limit plate；13. housing cavity；2.
Rear cover；21. fixture block；22. slide plate；23. tooth block；24. through-hole；Cover cavity after 25.；26. mounting hole；3. gag lever post；31. fixed
Block；32. limiting slot；33. path groove；34. gag lever post spring；4. locating rod；41. rack gear；42. locking bar；43. inclined-plane；44. fixed
Position bar spring；5. mandril；51. insulating bar；52. locating slot；53. plate；54. inserting plate hole.
Specific embodiment
It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The utility model includes shell 1 and the rear cover 2 that is removably mounted on the shell 1, the installation end of the shell 1
Be symmetrically arranged with two fan-shaped card slots 11 on face, 11 upper end of card slot be fixed with can card slot 11 described in shield portions limit
Plate 12, the slide plates 22 of two with the card slot 11 cooperation are symmetrically arranged on the installation end face of the rear cover 2, and the slide plate 22 is separate
Described 2 one end of rear cover is equipped with the fixture block 21 cooperated with the card slot 11, and the fixture block 21 can be inserted into and not hidden by the limit plate 12
At the card slot 11 of gear, after rotating 2 certain angle of rear cover, the fixture block 21 is moved to the limit in the card slot 11
12 lower section of position plate, the limit plate 12 can limit the rear cover 2 by the fixture block 21 and be detached from the shell 1；The card slot 11
Lower section far from 12 side of limit plate is equipped with the gag lever post that can be slided up and down in the shell 1 by gag lever post spring 34
3,11 side of card slot is equipped with by locating rod spring 44 horizontal in the shell 1 to slide locating rod 4, the locating rod
4 one end are fixed with the rack gear 41 that tooth tip is located in the card slot 11, and the fixture block 21 is equipped with and can engage with the rack gear 41
Tooth block 23,4 other end of locating rod, which is fixed with, can limit the mobile locking bar 42 of the gag lever post 3, and the gag lever post 3 is close to institute
It states 4 side of locating rod and is fixed with fixed block 31, the fixed block 31 is equipped with the limiting slot 32 mobile for the locking bar 42, institute
When stating fixture block 21 and slid into below the limit plate 12 in the card slot 11, the tooth block 23 drives institute by the rack gear 41
It states locating rod 4 to move horizontally, so that the locking bar 42 is detached from the limiting slot 32, the gag lever post 3 is in the gag lever post spring 34
Under the action of be moved in the card slot 11, so that it is mobile to limit the fixture block 21 by the gag lever post 3；On the rear cover 2
It is equipped with the through-hole 24 that may pass through mandril 5 at the corresponding gag lever post 3, the mandril 5 can push the gag lever post 3, make the limit
Position bar 3 is detached from the card slot 11, and the fixture block 21 detaches the mandril 5 after being movable to 3 top of gag lever post, continues to move
The fixture block 21 is moved, the disassembly to the rear cover 2 is completed.
Specifically, the gag lever post 3 is cylindrical structure, and tangent with three side walls of the card slot 11, when the locking bar
When the 42 disengaging limiting slot 32, the fixture block 21 and the gag lever post 3 are spaced apart, when the gag lever post 3 is moved to
When in the card slot 11, the reverse movement of fixture block 21 drives the locking bar 42 to be moved to institute extremely with 3 the tangent of gag lever post
31 lower section of fixed block is stated, the movement of the fixed block 31 is limited by the locking bar 42.
Specifically, described 5 one end of mandril is fixed with insulating bar 51,5 other end of mandril is equipped with locating slot 52, described fixed
It can cooperate in the slot 52 of position and be plugged with the plate 53 that both ends are equipped with inserting plate hole 54, the rear cover 2 is equipped with matches with the inserting plate hole 54
The mounting hole 26 of conjunction can be used fastener that the plate 53 is fixed on the rear cover 2, so that it is mobile to limit the mandril 5；
The gag lever post 3 is equipped with the path groove 33 cooperated with the insulating bar 51 far from described 34 one end of gag lever post spring.
Specifically, there are two the locating slot 52, the cooperation positioning is may be selected in the plate 53 for arrangement on the mandril 5
Slot 52, to control the length that the mandril 5 protrudes into the shell 1.
Specifically, the locking bar 42 is equipped with the inclined-plane 43 cooperated with the limiting slot 32 close to described 31 one end of fixed block,
The limiting slot 32 can push the locating rod 4 to far from 31 direction of fixed block movement by the inclined-plane 43.
When rear cover 2 is installed on shell 1, fixture block 21 is aligned in insertion card slot 11, rear cover 2 is rotated, moves fixture block 21
It moves to 12 lower section of limit plate, tooth block 23 drives locating rod 4 to far from the movement of 3 direction of gag lever post by rack gear 41, and locking bar 42 is detached from
Limiting slot 32, gag lever post 3 move under the action of gag lever post spring 34 into card slot 11, and locating rod 4 is in locating rod spring 44
It is mobile to 3 direction of gag lever post under effect, since gag lever post 3 engages pass to the position-limiting action of fixture block 21 and tooth block 23 and rack gear 41
System, move a certain distance locating rod 4 can only, and locking bar 42 is moved to 31 lower section of fixed block, and limitation gag lever post 3 moves down, will
Mandril 5 is inserted into rear cover 2 by through-hole 24, and is inserted into insulating bar 51 in path groove 33, will be connected to locating slot by fastener
Plate 53 in 52 is fixed on rear cover 2, completes installation.
When needing to dismantle, after removing plate 53 to the fixation of mandril 5, insulating bar 51 is made to be detached from path groove 33, rotate rear cover 2
So that locking bar 42 is released the limitation to fixed block 31, then gag lever post 3 is pushed by mandril 5, so that gag lever post 3 is detached from card slot 11, then
Rear cover 2 is reversely rotated, when fixture block 21 pushes down gag lever post 3, removes mandril 5, continues to rotate rear cover 2, until fixture block 21 can take off
From card slot 11, shell 1 returns back to original state, and disassembly is completed.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.
Claims (3)
1. a kind of attachment device that installation is firm, including shell (1) and the rear cover (2) being removably mounted on the shell (1),
It is characterized by: two fan-shaped card slots (11) are symmetrically arranged on the installation end face of the shell (1), card slot (11) upper end
Be fixed with can card slot (11) described in shield portions limit plate (12), be symmetrically arranged with two on the installation end face of the rear cover (2)
With the slide plate (22) of the card slot (11) cooperation, the slide plate (22) is equipped with and the card slot far from the rear cover (2) one end
(11) fixture block (21) cooperated, the fixture block (21) can be inserted at the card slot (11) not blocked by the limit plate (12),
After rotating the rear cover (2) certain angle, under the fixture block (21) is moved to the limit plate (12) in the card slot (11)
Side, the limit plate (12) can limit the rear cover (2) by the fixture block (21) and be detached from the shell (1)；The card slot
(11) lower section far from the limit plate (12) side is equipped with by gag lever post spring (34) and upper in the shell (1) can be glided
Dynamic gag lever post (3), card slot (11) side is equipped with by locating rod spring (44) can the horizontal sliding in the shell (1)
Locating rod (4), described locating rod (4) one end are fixed with the rack gear (41) that tooth tip is located in the card slot (11), the fixture block
(21) the tooth block (23) that can engage with the rack gear (41) is equipped with, described in locating rod (4) other end is fixed with and can limit
The mobile locking bar (42) of gag lever post (3), the gag lever post (3) are fixed with fixed block (31), institute close to the locating rod (4) side
It states fixed block (31) and is equipped with the limiting slot (32) mobile for the locking bar (42), the fixture block (21) is in the card slot (11)
When inside sliding into below the limit plate (12), the tooth block (23) drives locating rod (4) water by the rack gear (41)
Translation is dynamic, and the locking bar (42) is made to be detached from the limiting slot (32), work of the gag lever post (3) in the gag lever post spring (34)
It is moved under in the card slot (11), so that it is mobile to limit the fixture block (21) by the gag lever post (3)；The rear cover
(2) through-hole (24) for being equipped at the gag lever post (3) and may pass through mandril (5) is corresponded on, the mandril (5) can push the limit
Bar (3) makes the gag lever post (3) to be detached from the card slot (11), after the fixture block (21) is movable to above the gag lever post (3)
The mandril (5) are detached, are continued to move to the fixture block (21), the disassembly to the rear cover (2) is completed；Described mandril (5) one end
It is fixed with insulating bar (51), mandril (5) other end is equipped with locating slot (52), can cooperate in the locating slot (52) and be plugged with
Both ends are equipped with the plate (53) of inserting plate hole (54), and the rear cover (2) is equipped with the mounting hole cooperated with the inserting plate hole (54)
(26), fastener can be used that the plate (53) is fixed on the rear cover (2), to limit the mandril (5) movement, institute
It states gag lever post (3) and is equipped with the path groove (33) cooperated with the insulating bar (51) far from described gag lever post spring (34) one end；
The locking bar (42) is equipped with the inclined-plane (43) cooperated with the limiting slot (32), the limit close to the fixed block (31) one end
Slot (32) can push the locating rod (4) to far from the movement of the fixed block (31) direction by the inclined-plane (43).
2. a kind of firm attachment device of installation according to claim 1, it is characterised in that: the gag lever post (3) is circle
Rod structure, and it is tangent with three side walls of the card slot (11), it is described when the locking bar (42) are detached from limiting slot (32)
Fixture block (21) and the gag lever post (3) are spaced apart, when the gag lever post (3) be moved to the card slot (11) it is interior when, institute
Fixture block (21) reverse movement is stated extremely with the gag lever post (3) the tangent, the locking bar (42) is driven to be moved to the fixed block
(31) lower section limits the movement of the fixed block (31) by the locking bar (42).
3. a kind of firm attachment device of installation according to claim 1, it is characterised in that: arranged on the mandril (5)
There are two the locating slot (52), the cooperation locating slot (52) is may be selected in the plate (53), to control the mandril (5)
Protrude into the length in the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568472.7U CN208904322U (en) | 2018-09-26 | 2018-09-26 | A kind of attachment device that installation is firm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568472.7U CN208904322U (en) | 2018-09-26 | 2018-09-26 | A kind of attachment device that installation is firm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904322U true CN208904322U (en) | 2019-05-24 |
Family
ID=66573715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821568472.7U Active CN208904322U (en) | 2018-09-26 | 2018-09-26 | A kind of attachment device that installation is firm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027823A (en) * | 2021-03-10 | 2021-06-25 | 苏州格力士实业有限公司 | Easily-disassembled and split-assembled vortex type air pump |
-
2018
- 2018-09-26 CN CN201821568472.7U patent/CN208904322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027823A (en) * | 2021-03-10 | 2021-06-25 | 苏州格力士实业有限公司 | Easily-disassembled and split-assembled vortex type air pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |