CN204900493U - Insulating block bolt device - Google Patents
Insulating block bolt device Download PDFInfo
- Publication number
- CN204900493U CN204900493U CN201520613424.5U CN201520613424U CN204900493U CN 204900493 U CN204900493 U CN 204900493U CN 201520613424 U CN201520613424 U CN 201520613424U CN 204900493 U CN204900493 U CN 204900493U
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- CN
- China
- Prior art keywords
- block
- bolt
- bolt head
- insulating cap
- insulating
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an insulating block bolt device, including bolt and insulating block. The bolt includes consecutive the bolt head and screw rod, the last block spread groove that is equipped with of the bolt head, and the hypomere is equipped with the external screw thread in the screw rod. Insulating block includes the block roof, follows the block baffle of block roof bottom periphery setting and sets up the block spliced pole in the middle of the roof bottom of blocking a shot. The insulating lid calotte is established in the the bolt head outside, just the block a shot inner wall of baffle and the bolt head's lateral wall transition fit, and the block spliced pole suits with the block spread groove. According to the technical solution provided by the utility model, the utility model discloses can solve exist in current [electric] motor coach spare part and the whole car body connection mode not enough, electrically conductive and cause the incident when avoiding zero subassembly of [electric] motor coach, and need not the large tracts of land and use the insulation board to the installation effectiveness of spare part can be improved, manufacturing cost is reduced.
Description
Technical field
The utility model relates to electric motor coach technical field, is specifically related to a kind of insulating cap bolt device.
Background technique
At present, the Placement of existing electric motor coach component and car load vehicle body has two kinds: the first is connected directly between on car load body frame by the component of electric motor coach, and this mode is easily conducted electricity, and causes security incident.The second adopts insulation board to connect, first be connected on insulation board by electric motor coach component, then be connected to by insulation board on car load body frame, this mode makes electric motor coach component installation workload large one times, and insulation board is larger, add manufacture cost.
Model utility content
The purpose of this utility model is to provide a kind of insulating cap bolt device, this device can solve the deficiency existed in existing electric motor coach component and car load vehicle body Placement, conduct electricity when avoiding electric motor coach component to assemble and cause security incident, and use insulation board without the need to large size, and the installation efficiency of component can be improved, reduce manufacture cost.
For achieving the above object, the utility model have employed following technological scheme:
A kind of insulating cap bolt device, comprises bolt and insulating cap.Described bolt comprises the bolt head and screw rod that are connected successively, and described bolt head is provided with block connecting groove, and in described screw rod, hypomere is provided with outside thread.Described insulating cap comprises the block baffle plate that bottom block top board, edge block top board, periphery is arranged and the block attachment post be arranged in the middle of bottom block top board.Described insulating cap is located at outside bolt head, and the inwall of described block baffle plate and the outer side wall transition fit of bolt head, described block attachment post adapts with block connecting groove.
Further, described block attachment post and block connecting groove interference fit.
Further, described block attachment post and block connecting groove screw-thread fit.
Further, described bolt head is positive six prisms; Described block baffle inner wall surrounds bolt head installation cavity, and this bolt head installation cavity is positive six prisms adapted with bolt head.
Further, positioning boss is provided with bottom described screw rod.
Further, described insulating cap adopts insulating material integral molded plastic shaping, and described insulating material is for arranging veneer Ins. ulative material.
From above technological scheme, the utility model can solve the deficiency existed in existing electric motor coach component and car load vehicle body Placement, conduct electricity when avoiding electric motor coach component to assemble and cause security incident, and use insulation board without the need to large size, and the installation efficiency of component can be improved, reduce manufacture cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of bolt;
Fig. 3 is the plan view of bolt;
Fig. 4 is the structural representation of insulating cap;
Fig. 5 is the plan view of insulating cap;
Fig. 6 is assembly structure schematic diagram of the present utility model.
Wherein:
1, insulating cap, 2, bolt, 3, electric motor coach component, 4, vehicle body fixed support, 5, nut, the 6, second insulation rubber backing plate, 7, the first insulation rubber backing plate, 11, block baffle plate, 12, block attachment post, 13, block top board, 14, bolt head installation cavity, 21, bolt head, 22, block connecting groove, 23, screw rod, 24, positioning boss.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment 1
A kind of insulating cap bolt device as shown in Figure 1, comprises bolt 2 and insulating cap 1.Described insulating cap 1 adopts insulating material integral molded plastic shaping, and described insulating material is for arranging veneer Ins. ulative material.By adopting in electric motor coach component assembly process, the utility model arranges that veneer Ins. ulative material is made into insulating cap, electric motor coach component effectively can be avoided to conduct electricity, eliminate safe hidden trouble.
As shown in Figures 2 and 3, described bolt 2 comprises the bolt head 21 and screw rod 23 that are connected successively, and described bolt head 21 is provided with block connecting groove 22, and in described screw rod 23, hypomere is provided with outside thread.Preferably, described bolt head 21 is positive six prisms.Being provided with positioning boss 24 bottom described screw rod 23, when described positioning boss is for being arranged on nut on screw rod, nut being positioned, to ensure that the screw thread between screw rod and nut can better coincide, avoid causing damage to nut thread.
As shown in Figure 4 and Figure 5, described insulating cap 1 comprises the block baffle plate 11 that bottom block top board 13, edge block top board 13, periphery is arranged and the block attachment post 12 be arranged in the middle of bottom block top board 13.Described block baffle plate 11 inwall surrounds bolt head installation cavity 14.Described insulating cap 1 is located at outside bolt head 21, and the inwall of described block baffle plate 11 and the outer side wall transition fit of bolt head 21.Described block attachment post 12 adapts with block connecting groove 22.
Specifically, described block attachment post 12 and block connecting groove 22 interference fit.Described bolt head installation cavity 14 is positive six prisms adapted with bolt head 21, and this bolt head installation cavity 14 and bolt head 21 transition fit.The utility model by attachment post and the block connecting groove interference fit of blocking a shot, and makes bolt head installation cavity and bolt head transition fit, insulating cap can be made to be connected to bolt head securely, ensure reliability and the validity of insulation effect.
Embodiment 2
Described block attachment post 12 and block connecting groove 22 screw-thread fit.The outer side wall of described block attachment post is provided with the first threaded joints, and the madial wall of described block connecting groove 22 is provided with the second threaded joints.Described bolt head installation cavity 14 is cylindrical.Described bolt head installation cavity 14 is cylindrical, and this bolt head installation cavity 14 and bolt head 21 Spielpassung.The utility model by arranging outside thread on block attachment post, in block connecting groove, internal thread is set, insulating cap can be made to pass through the firm attachment post bolt head of block attachment post, and the utility model is cylindrical by what be designed to by bolt head installation cavity with bolt head Spielpassung, can guarantee that insulating cap can rotate at bolt head, be threaded in block connecting groove to make block attachment post.
The other the same as in Example 1.
Concrete assembly process of the present utility model is:
In the assembly structure schematic diagram of this insulating cap bolt device shown in Fig. 6,3 represent electric motor coach component, and 4 represent vehicle body fixed support, and 5 represent nut, and 7 represent the first insulation rubber backing plate, and 6 represent the second insulation rubber backing plate.Described first insulation rubber backing plate 7 is arranged between bolt head 21 and electric motor coach component 3, and the second insulation rubber backing plate 6 is arranged between electric motor coach component 3 and vehicle body fixed support 4.Described first insulation rubber backing plate 7 is identical with the structure of the second insulation rubber backing plate 6, is circular.By arranging the first insulation rubber backing plate and the second insulation rubber backing plate between bolt head and electric motor coach component and between electric motor coach component and vehicle body fixed support respectively, further insulation protection can be carried out.Electric motor coach component 3, vehicle body fixed support 4, first insulation rubber backing plate 7 and the second insulation rubber backing plate 6 are respectively equipped with the mounting hole that the screw rod 23 for bolt passes.The external diameter of described screw rod 23 equals the diameter of each mounting hole.
When assembling, first, the screw rod 23 of bolt is passed the first insulation rubber backing plate 7, electric motor coach component 3, second insulation rubber backing plate 8 and vehicle body fixed support 4 successively; Then, positioned by the mounting point of positioning boss 24 pairs of nuts 5, and nut 5 is threaded in the afterbody of bolt screw rod 23, thus by the utility model, electric motor coach component 3, vehicle body fixed support 4, first insulation rubber backing plate 7 and the second insulation rubber backing plate 8 are connected as one; Finally, insulating cap is located at the outside of bolt head 21, makes block attachment post and block connecting groove interference fit or screw-thread fit, ensure insulating cap and bolted soundness.
In sum, the utility model, by adopting insulating cap and insulation rubber backing plate, effectively can be avoided the generation of electric conduction phenomena, eliminate safe hidden trouble.In addition, the position be only connected with bolt at electric motor coach component and vehicle body fixed support due to the utility model is provided with circular insulation rubber backing plate, can reduce assembling difficulty and manufacture cost.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (6)
1. an insulating cap bolt device, is characterized in that: comprise bolt and insulating cap; Described bolt comprises the bolt head and screw rod that are connected successively, and described bolt head is provided with block connecting groove, and in described screw rod, hypomere is provided with outside thread; Described insulating cap comprises the block baffle plate that bottom block top board, edge block top board, periphery is arranged and the block attachment post be arranged in the middle of bottom block top board; Described insulating cap is located at outside bolt head, and the inwall of described block baffle plate and the outer side wall transition fit of bolt head, described block attachment post adapts with block connecting groove.
2. a kind of insulating cap bolt device according to claim 1, is characterized in that: described block attachment post and block connecting groove interference fit.
3. a kind of insulating cap bolt device according to claim 1, is characterized in that: described block attachment post and block connecting groove screw-thread fit.
4. a kind of insulating cap bolt device according to claim 1, is characterized in that: described bolt head is positive six prisms; Described block baffle inner wall surrounds bolt head installation cavity, and this bolt head installation cavity is positive six prisms adapted with bolt head.
5. a kind of insulating cap bolt device according to claim 1, is characterized in that: be provided with positioning boss bottom described screw rod.
6. a kind of insulating cap bolt device according to claim 1, is characterized in that: described insulating cap adopts insulating material integral molded plastic shaping, and described insulating material is for arranging veneer Ins. ulative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613424.5U CN204900493U (en) | 2015-08-15 | 2015-08-15 | Insulating block bolt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613424.5U CN204900493U (en) | 2015-08-15 | 2015-08-15 | Insulating block bolt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900493U true CN204900493U (en) | 2015-12-23 |
Family
ID=54922673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520613424.5U Expired - Fee Related CN204900493U (en) | 2015-08-15 | 2015-08-15 | Insulating block bolt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623303A (en) * | 2021-09-15 | 2021-11-09 | 浙江新盛达金属科技发展股份有限公司 | Anti-theft screw with sawtooth thread |
-
2015
- 2015-08-15 CN CN201520613424.5U patent/CN204900493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623303A (en) * | 2021-09-15 | 2021-11-09 | 浙江新盛达金属科技发展股份有限公司 | Anti-theft screw with sawtooth thread |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190815 |