CN202863032U - Draw-bar braking type wheel tool locking device - Google Patents
Draw-bar braking type wheel tool locking device Download PDFInfo
- Publication number
- CN202863032U CN202863032U CN 201220475298 CN201220475298U CN202863032U CN 202863032 U CN202863032 U CN 202863032U CN 201220475298 CN201220475298 CN 201220475298 CN 201220475298 U CN201220475298 U CN 201220475298U CN 202863032 U CN202863032 U CN 202863032U
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- Prior art keywords
- wheel
- locking
- card insertion
- lock bracket
- insertion lock
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- Expired - Fee Related
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Abstract
The utility model discloses a draw-bar braking type wheel tool locking device which comprises an abutting and pressing part, locking abutting and pressing space, a circular gear ring, an embedded and clamped type locking frame and a reset assembly, wherein the abutting and pressing part is formed at the bottom end of an extensible inner pipe, the locking abutting and pressing space is formed on the interior of a draw-bar type moving carrier and located at the position where the bottom ends of extensible drawing bars are mutually communicated, the circular gear ring is arranged on least one side or the outer periphery of a wheel body and defines to form a locating edge with spaced ring arrays, and the embedded and clamped type locking frame is arranged on a wheel seat part along the vertical direction and in a lifting moving state, comprises a top end and an embedded and clamped end, wherein the top end penetrates out of the wheel seat part, is upwards inserted into the locking abutting and pressing space and is abutted and pressed to move through the abutting and pressing part at the bottom end of the extensible inner pipe, and the embedded and clamped end is located the position, corresponding to the position of the wheel body, below the wheel seat part, and provided with an embedded and clamped part which corresponds to the locating edge of the circular gear ring in a spaced mode. The reset assembly is arranged at the position corresponding to the position of the embedded and clamped locking frame so that the embedded and clamped locking frame is enabled to have upwards elastic resetting capacity. According to the structure, a good locking effect for a wheel tool is achieved under a condition that abrasion is completely avoided.
Description
Technical field
The utility model relates to a kind of wheel blocking device, particularly the brake type innovation wheel of a kind of pull bar latch-up structure.
Background technology
Press, must have easily rolling characteristic in the wheel design of suitcase and baggage car, be beneficial to mobile smoothness, but also relatively cause in the baggage car use procedure and can therefore have some problems, for example work as the user because saying mobile phone, with other people chat or take other article etc. situation and do not drag when holding baggage car, if ground is to tilt or the smooth side state, then baggage car very likely along landform voluntarily slide displacement to other places, the collision that perhaps is subject to a little other people namely produces slide displacement, if this moment the user do not discover in real time in response to, when often having rethought suitcase or baggage car, may take for baggage car and lose, find that perhaps baggage car has been poured over the situation on ground.
In view of this, follow-up have relevant industry to develop some suitcases then, the wheel of baggage car locking (or claiming brake) structure think in response to, yet, take a broad view of in the present known dependency structure design and still have some problems and scarce fraud, suppress the conventional construction kenel that a locking component directly compresses wheel to see through the telescopic lever bottom, in its latch-up structure design, it is finally in order to locate the kenel of wheel, usually adopt the mode at conflict wheel side face position to reach, yet this kind mode and the design of structure kenel, often affect its locking effect because of the mutual abrasion of conflict member and wheel side face easily, and affect fast the smoothness that wheel rolls, real non-one desirable practical structure kenel.
Summary of the invention
For defective and deficiency that prior art exists, main purpose of the present utility model is to provide a kind of pull bar brake type wheel blocking device;
For achieving the above object, the utility model by the following technical solutions:
A kind of pull bar brake type wheel blocking device, be located between the telescopic lever and wheel of a rod-pulling type mobile carrier, use locking and the release position of control wheel, described wheel is located at rod-pulling type mobile carrier bottom, and comprise that a wheel seat section and pivot group are in the wheel body of wheel seat section bottom, telescopic lever then is vertical and is mounted on rod-pulling type mobile carrier rear side to protruding out kenel, and includes fixedly outer tube and flexible inner tube; Pull bar brake type wheel blocking device comprises:
One pressure section is formed at the flexible inner tube bottom of telescopic lever;
One locking compresses the space, and it is inner and be positioned at the position that is connected, telescopic lever bottom to be formed at the rod-pulling type mobile carrier, and makes the flexible inner tube bottom of telescopic lever can stretch into locking when the decline state compressing in the space;
One circular ring gear is located at least one side or the periphery of the wheel body of wheel, and circular ring gear defines and is formed with the annular location edge in interval;
One card insertion lock bracket, vertical to being mounted on wheel seat section and being the liftable actuator state, the card insertion lock bracket comprises a top and an inlay card end, wherein the top is and protrudes out wheel seat section and stretch into upwards that locking compresses in the space and can be by the start that pressure section compresses of flexible inner tube bottom, the inlay card end then is positioned at corresponding wheel body position, wheel seat subordinate side, and it is corresponding with the location edge interval of circular ring gear to have an embedding part;
One reset assembly is mounted on card insertion lock bracket opposite position place, so that the card insertion lock bracket has upwards elastic reset;
By this, when the pressure section of telescopic lever compresses card insertion lock bracket top downwards, can make the card insertion lock bracket to bottom offset, make the embedding part of card insertion lock bracket be able to the location edge of the circular ring gear of inlay card and be the wheel lock-out state.
Described round tooth is located on the wheel body periphery, and described location edge interval circular row and be the indent kenel and be formed at circular ring gear periphery.
Described wheel body also includes an axle that runs through core wheel and establishes the hole, axle is established at least one end in hole and is also organized and be provided with plastic bearing, described plastic bearing comprises a connection terminal, a protruding end and through the perforating of connection terminal and protruding end, wherein the perforating contraposition axle that is communicated in wheel body is established the hole, and the round tooth annular with location edge is formed in the protruding end periphery of plastic bearing.
The perforating inwall of described plastic bearing also spacer ring is provided with at least two grooves that are outer matrix attitude, consists of the perforating inwall and forms the concavo-convex tip edge kenel of a ring-type.
The embedding part of described card insertion lock bracket is consisted of by the projection of being located at card insertion lock bracket inlay card end one side.
Innovate by this unique design, make the utility model contrast prior art, when the pressure section of telescopic lever compresses card insertion lock bracket top downwards, can make the card insertion lock bracket to bottom offset, make the set embedding part of card insertion lock bracket be able to the location edge of the circular ring gear of inlay card and be the wheel lock-out state, by this, in order to do can be in fully without the situation of abrasion certain locking wheel, and see through the lock mode that directly presses down, make wheel can obtain the better practical improvement that compresses locking intensity.
Another purpose of the present utility model, establish at least one end in hole by the axle of wheel body and also organize the technical characterstic that is provided with plastic bearing, compared to the known ball bearing of main shafts that adopt more, can have under the identical function (namely fixedly wheel shaft and reduce the function of wheel shaft abrasion) concurrently, reach Cost reduction and make the rod-pulling type mobile carrier more the advantage such as lightweight utilize benefit with better industry; In addition, the perforating inwall by plastic bearing also spacer ring is provided with the technical characterstic of at least two grooves that are outer matrix attitude, reaches the practical improvement that the thermal source that makes wheel shaft produce because of running can have the space that sheds.
Description of drawings
Fig. 1 is the combination stereogram of the utility model rod-pulling type mobile carrier.
Fig. 2 is the diagram of work of the utility model rod-pulling type mobile carrier.
Fig. 3 is the combination perspective view of the utility model pull bar brake type wheel blocking device.
Fig. 4 is the exploded perspective view of the utility model plastic bearing and wheel body.
Fig. 5 is the section plan that the flexible inner tube of the utility model does not compress card insertion lock bracket top.
Fig. 6 is the illustrative view that the flexible inner tube of the utility model compresses card insertion lock bracket top downwards.
Fig. 7 is another enforcement illustration of the circular ring gear of the utility model.
Fig. 8 is the illustrative view that the flexible inner tube of Fig. 7 compresses card insertion lock bracket top downwards.
The specific embodiment
See also Fig. 1,2,3,4, the preferred embodiment of the utility model pull bar brake type wheel blocking device, only these embodiment are not subjected to the restriction of this structure only for explanation in patent application; Described pull bar brake type wheel blocking device A is located between the telescopic lever 02 and wheel 05 of a rod-pulling type mobile carrier 01, use locking and the release position of control wheel 05, described wheel 05 is located at rod-pulling type mobile carrier 01 bottom, and comprise that a wheel seat section 06 and pivot group are in the wheel body 07 of wheel seat section 06 bottom, 02 of telescopic lever is vertical and is mounted on rod-pulling type mobile carrier 01 rear side to protruding out kenel, and includes fixedly outer tube 03 and flexible inner tube 04; Pull bar brake type wheel blocking device A comprises following formation:
One pressure section 10 is formed at flexible inner tube 04 bottom of telescopic lever 02;
One locking compresses space 20, it is inner and be positioned at the position that is connected, telescopic lever 02 bottom to be formed at rod-pulling type mobile carrier 01, and makes flexible inner tube 04 bottom of telescopic lever 02 can stretch into locking when the decline state compressing (shown in Fig. 6,8) in the space 20;
One circular ring gear 30 is located at least one side or the periphery of the wheel body 07 of wheel 05, and circular ring gear 30 defines and is formed with the annular location edge 31 in interval;
One card insertion lock bracket 40, vertical to being mounted on wheel seat section 06 and being the liftable actuator state, card insertion lock bracket 40 comprises a top 41 and an inlay card end 42, wherein top 41 is and protrudes out wheel seat section 06 and stretch into upwards that locking compresses in the space 20 and can be by pressure section 10 start that compresses of flexible inner tube 04 bottom, inlay card end 42 then is positioned at corresponding wheel body 07 position, wheel seat section 06 below, and it is corresponding with location edge 31 intervals of circular ring gear 30 to have an embedding part 43;
One reset assembly 50 is mounted on card insertion lock bracket 40 opposite position places, so that card insertion lock bracket 40 has upwards elastic reset; Shown in Fig. 3,5, reset assembly 50 can adopt spring to consist of;
As shown in Figure 4, wheel body 07 also includes an axle that runs through core wheel and establishes hole 08, axle is established hole 08 at least one end and is also organized and be provided with plastic bearing 60, described plastic bearing 60 comprises a connection terminal 61, one protruding end 62 and through the connection terminal 61 with the perforating 63 of protruding end 62, wherein the perforating 63 contrapositions axle that is communicated in wheel body 07 is established hole 08, and the circular ring gear 30 with location edge 31 is formed at protruding end 62 peripheries of plastic bearing 60, and the protruding end 62 of described plastic bearing 60 is established 08 end, hole with axle and can relatively have been set up inlay card projection and groove, consist of plastic bearing 60 and be able to the embedding group and be positioned axle and establish 08 end, hole, but be not limited to this; And wherein perforating 63 inwalls of plastic bearing 60 also spacer ring be provided with at least two grooves 64 that are outer matrix attitude, consist of perforating 63 inwalls and form the concavo-convex tip edge kenel of a ring-type, using order is connected to the thermal source that wheel shaft 09 that axle establishes hole 08 produces because of running the space (if because perforating 63 coats whole wheel shaft 09, i.e. heat-dissipating space of undirected outer connection) that sheds can be arranged.
Shown in Fig. 2,3, wherein the embedding part 43 of card insertion lock bracket 40 can be the projection 44 of being located at card insertion lock bracket 40 inlay card ends 42 1 sides and consists of.
Form design by above-mentioned structure, hereby be described as follows with regard to use start situation of the present utility model:
As shown in Figure 5, when the user does not also compress telescopic lever 02, described flexible inner tube 04 is the corresponding kenel of vertical spacing with card insertion lock bracket 40 tops 41, and as shown in Figure 6, when the user compresses telescopic lever 02 downwards, compress in the space 20 in order to do making flexible inner tube 04 decline (shown in arrow L1) stretch into locking, and compress the top 41 of card insertion lock bracket 40 downwards, make the card insertion lock bracket 40 can be synchronously to bottom offset, make its set embedding part 43 be able to the location edge 31 of the circular ring gear 30 of inlay card and be locking wheel 05 state, directly press down lock mode and see through this kind, in order to do obtaining the better locking intensity that compresses, and reach locking wheel 05 by the inlay card mode, do not have the abrasion problem that produces when conventional construction compresses wheel; In addition, when the user will stretch inner tube 04 when upwards stretching, the pressure section 10 of flexible inner tube 04 namely can break away from card insertion lock bracket 40 tops 41, and utilize the elastic force of accumulating of reset assembly 50 that card insertion lock bracket 40 is upwards resetted this moment, to remove positioning states (as shown in Figure 5).
As shown in Figure 7, for the another kind of circular ring gear 30 is implemented kenel, circular ring gear 30 is located at wheel body 07 periphery, and described location edge 31 interval circular rows and be the indent kenel and be formed at circular ring gear 30 peripheries, its lock mode as shown in Figure 8, to see through the top 41 that flexible inner tube 04 compresses (shown in arrow L2) card insertion lock bracket 40 downwards equally, make the card insertion lock bracket 40 can be synchronously to bottom offset, make its set embedding part 43 be able to the location edge 31 of the circular ring gear 30 of inlay card and be locking wheel 05 state.
The effect explanation:
It is true as follows that the utility model effect is promoted:
The utility model pull bar brake type wheel blocking device mainly comprises pressure section by pull bar brake type wheel blocking device, locking compresses the space, circular ring gear, the innovation structure kenel design that card insertion lock bracket and reset assembly consist of, make the utility model contrast [prior art], when the pressure section of telescopic lever compresses card insertion lock bracket top downwards, can make the card insertion lock bracket to bottom offset, make the set embedding part of card insertion lock bracket be able to the location edge of the circular ring gear of inlay card and be the wheel lock-out state, by this, in order to do can in fully without the situation of abrasion, really locking wheel, and see through the lock mode that directly presses down, make wheel can obtain the better practical improvement that compresses locking intensity.
The producible new effect of the utility model is as follows:
Establish at least one end in hole by the axle of wheel body and also organize the technical characterstic that is provided with plastic bearing, compared to the known ball bearing of main shafts that adopt more, can have under the identical function (namely fixedly wheel shaft and reduce the function of wheel shaft abrasion) concurrently, reach Cost reduction and make the rod-pulling type mobile carrier more the advantage such as lightweight utilize benefit with better industry.
In addition, the perforating inwall by plastic bearing also spacer ring is provided with the technical characterstic of at least two grooves that are outer matrix attitude, reaches to make wheel shaft because of the thermal source that running produces the space that sheds can be arranged, with the practical improvement of avoiding overheated situation to occur.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (5)
1. pull bar brake type wheel blocking device, be located between the telescopic lever and wheel of a rod-pulling type mobile carrier, use locking and the release position of control wheel, described wheel is located at rod-pulling type mobile carrier bottom, and comprise that a wheel seat section and pivot group are in the wheel body of wheel seat section bottom, telescopic lever then is vertical and is mounted on rod-pulling type mobile carrier rear side to protruding out kenel, and includes fixedly outer tube and flexible inner tube; It is characterized in that pull bar brake type wheel blocking device comprises:
One pressure section is formed at the flexible inner tube bottom of telescopic lever;
One locking compresses the space, and it is inner and be positioned at the position that is connected, telescopic lever bottom to be formed at the rod-pulling type mobile carrier, and makes the flexible inner tube bottom of telescopic lever can stretch into locking when the decline state compressing in the space;
One circular ring gear is located at least one side or the periphery of the wheel body of wheel, and circular ring gear defines and is formed with the annular location edge in interval;
One card insertion lock bracket, vertical to being mounted on wheel seat section and being the liftable actuator state, the card insertion lock bracket comprises a top and an inlay card end, wherein the top is and protrudes out wheel seat section and stretch into upwards that locking compresses in the space and can be by the start that pressure section compresses of flexible inner tube bottom, the inlay card end then is positioned at corresponding wheel body position, wheel seat subordinate side, and it is corresponding with the location edge interval of circular ring gear to have an embedding part;
One reset assembly is mounted on card insertion lock bracket opposite position place, so that the card insertion lock bracket has upwards elastic reset;
By this, when the pressure section of telescopic lever compresses card insertion lock bracket top downwards, can make the card insertion lock bracket to bottom offset, make the embedding part of card insertion lock bracket be able to the location edge of the circular ring gear of inlay card and be the wheel lock-out state.
2. pull bar brake type wheel blocking device according to claim 1 is characterized in that round tooth is located on the wheel body periphery, and described location edge interval circular row and be the indent kenel and be formed at circular ring gear periphery.
3. pull bar brake type wheel blocking device according to claim 1, it is characterized in that, wheel body also includes an axle that runs through core wheel and establishes the hole, axle is established at least one end in hole and is also organized and be provided with plastic bearing, described plastic bearing comprises a connection terminal, a protruding end and through the perforating of connection terminal and protruding end, wherein the perforating contraposition axle that is communicated in wheel body is established the hole, and the round tooth annular with location edge is formed in the protruding end periphery of plastic bearing.
4. pull bar brake type wheel blocking device according to claim 3 is characterized in that, the perforating inwall of plastic bearing also spacer ring is provided with at least two grooves that are outer matrix attitude, consists of the perforating inwall and forms the concavo-convex tip edge kenel of a ring-type.
5. pull bar brake type wheel blocking device according to claim 1 is characterized in that, the embedding part of card insertion lock bracket is consisted of by the projection of being located at card insertion lock bracket inlay card end one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475298 CN202863032U (en) | 2012-09-17 | 2012-09-17 | Draw-bar braking type wheel tool locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475298 CN202863032U (en) | 2012-09-17 | 2012-09-17 | Draw-bar braking type wheel tool locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202863032U true CN202863032U (en) | 2013-04-10 |
Family
ID=48029780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220475298 Expired - Fee Related CN202863032U (en) | 2012-09-17 | 2012-09-17 | Draw-bar braking type wheel tool locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202863032U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863009B (en) * | 2014-03-19 | 2017-03-29 | 台州沃坤机械有限公司 | Castor with self-locking mechanism |
| CN113119662A (en) * | 2020-01-14 | 2021-07-16 | 依必安-派特圣乔根有限责任两合公司 | Brake module for a wheel module having a wheel, and wheel module |
-
2012
- 2012-09-17 CN CN 201220475298 patent/CN202863032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863009B (en) * | 2014-03-19 | 2017-03-29 | 台州沃坤机械有限公司 | Castor with self-locking mechanism |
| CN113119662A (en) * | 2020-01-14 | 2021-07-16 | 依必安-派特圣乔根有限责任两合公司 | Brake module for a wheel module having a wheel, and wheel module |
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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 |
Granted publication date: 20130410 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |