CN204170348U - A kind of twofold board for lying on back - Google Patents
A kind of twofold board for lying on back Download PDFInfo
- Publication number
- CN204170348U CN204170348U CN201420498759.2U CN201420498759U CN204170348U CN 204170348 U CN204170348 U CN 204170348U CN 201420498759 U CN201420498759 U CN 201420498759U CN 204170348 U CN204170348 U CN 204170348U
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- China
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- support
- hole
- lying
- board
- fixedly connected
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Abstract
The utility model discloses a kind of twofold board for lying on back, relate to body-building apparatus technical field, comprise fore-stock, can be the back stay that inverted L-shaped or T-shaped are connected with fore-stock, the pin raker that described back stay comprises support bar, is fixedly connected with support bar, back stay is provided with the first fixing hole and the first locating hole, fore-stock comprises the first support, first support supports and the first backing plate be fixedly connected with, second support, second backing plate hinged with the second pedestal upper end, connect the connector of the first support and the second support, described first support is fixedly connected with by two through hole with connector, described second support is fixedly connected with by two through hole with connector, the utility model can reach by the latch extracting each position the effect making board for lying on back twofold quickly and easily, and stabilized structure, save material and space, backing plate on second support can adjusting angle, improve the comfort level used, increase the experience and effect of taking exercise.
Description
Technical field
The utility model belongs to body-building apparatus technical field, especially relates to the abdominal boards of taking exercises various piece.
Background technology
Board for lying on back is that people carry out the frequent body-building apparatus used of indoor body-building motion.Traditional board for lying on back comprises support
Frame, bracing frame top is provided with backing plate, and bracing frame bottom is provided with rise to the bait pin pipe and lower hook pin pipe, and during use, the leg of body builder is positioned over rise to the bait pin pipe and lower hook pin pipe, health is lain on the back on backing plate, reaches with this effect doing sit-up movement.But board for lying on back of the prior art can not fold or once fold.Chinese patent ZL201220191543.2, authorized announcement date on December 26th, 2012, a kind of twofold board for lying on back, comprise bracing frame, support frame as described above comprises the first support bar, second support bar and the 3rd support bar, described first support bar is connected with rise to the bait pin pipe and lower hook pin pipe, second support bar and the 3rd support bar are connected to the first backing plate and the second backing plate, a hinge device being convenient to fold is articulated with between described first support bar and the second support bar and between the second support bar and the 3rd support bar, between described first support bar and the second support bar and be also snapped with one between the second support bar and the 3rd support bar and be convenient to firm spinner assembly, this patent makes the first support bar by hinge device, second support bar and the 3rd support bar pivot joint reach the object of twofold, the first support bar is made by spinner assembly, second support bar and the 3rd support bar stable connection, the stability of increase equipment and security, thus better protect the safety of user, very important is, in order to realize the twofold of board for lying on back, the hinge device that this patent document additionally arranges, not only itself structure &processes is more complicated, increase material cost, and make bit stealing space, whole board for lying on back folding part larger, trivial operations time folding, seem clumsy.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of stable connection, and folding convenient is quick, saves material and space, and better can protect the twofold board for lying on back of user's safety.
For achieving the above object, the technical solution adopted in the utility model is: a kind of twofold board for lying on back, comprising fore-stock, can be the back stay that inverted L-shaped or T-shaped are connected with fore-stock, the pin raker that described back stay comprises support bar, is fixedly connected with support bar; Back stay is provided with the first fixing hole and the first locating hole, fore-stock comprises the first support, the first support supports and the first backing plate be fixedly connected with, the second support, second backing plate hinged with the second pedestal upper end, be connected the connector of the first support and the second support, described first support is fixedly connected with by two through hole with connector, and described second support is fixedly connected with by two through hole with connector.
Described connector is v-shaped folded plate, and described v-shaped folded plate is provided with two pieces, is disposed in the both sides of through hole set by the first support and the second support respectively.
Through hole on described first support at least comprises a fixing hole and a locating hole, and the cooperation of described v-shaped folded plate side is provided with at least two through hole, for fixing the first support and v-shaped folded plate by bolt or latch; Through hole on described second support (8) at least comprises a fixing hole and a locating hole, and another side plate of described v-shaped folded plate coordinates and is provided with at least two through hole, for be bolted or latch fixes the second support and v-shaped folded plate.
Through hole on described locating hole and v-shaped folded plate is bolted to connection, and/or described fixing hole is fixedly connected with by latch with another through hole on v-shaped folded plate.
The first fixing hole that described back stay is arranged and the cooperation of the first locating hole are provided with two groups or many groups, and are positioned at varying level position.
Described first fixing hole is fixedly connected with back stay and the first support by latch; Described first locating hole is bolted to connection back stay and the first support.
Described first support is 7 fonts.
Described back stay is provided with the uniform hole of multiple longitudinal direction, staggered as locating hole or fixing hole.
A sliding bar is provided with between described second support and the second backing plate, described sliding bar one end is fixed on the second backing plate towards the second support side, the sliding bar other end is fixedly connected with holder, holder is slidably socketed on the secondary support bracket, and a resilient pin passes holder and inserts the locating hole that the second support is equipped with.
The utility model can reach by the latch extracting each position the effect making board for lying on back twofold quickly and easily, and stabilized structure, save material and space, the backing plate on the second support can adjusting angle, improve the comfort level used, increase the experience and effect of taking exercise.
Accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the left view that each position of the utility model is stretched;
Fig. 3 be in Fig. 2 H to partial view;
The folding view of Fig. 4 the utility model fore-stock and back stay;
Fig. 5 is the folding view of the utility model first pole and the second pole;
Fig. 6 is the utility model twofold design sketch.
Detailed description of the invention
As shown in Fig. 1 to Fig. 6, a kind of twofold board for lying on back, comprises fore-stock 1, can be the back stay 2 that inverted L-shaped or T-shaped are connected with fore-stock 1, the pin raker 3 that back stay 2 comprises support bar 6, is fixedly connected with support bar 6.Back stay 2 is provided with the first fixing hole 9 and the first locating hole 10, and the first fixing hole 9 and first locating hole 10 of setting of working in coordination are provided with two groups; Fore-stock 1 comprises the second hinged backing plate 5 of the first support 7 and the first backing plate 4, second support 8 be fixed on the first support 7 and the second support 8 upper end, and connect the v-shaped folded plate of the first support 7 and the second support 8, wherein, the first support 7 arranges one end fits first fixing hole 9 and the first locating hole 10 is provided with
Further say, the first fixing hole 9 that the first support 7 one end fits pole 2 is arranged and the first locating hole 10 are provided with through hole, and the first support 7 and the first locating hole 10 are by being spirally connected, and the first latch 14 is fixed through the first support 7 and the first fixing hole 9.
Wherein, extract the first latch 14, i.e. collapsible first support 7 and fore-stock 1.
First support 7 other end is provided with the second fixing hole 12 and the second locating hole 13, v-shaped folded plate 11 is provided with two through holes and coordinates the second fixing hole 12 and the second locating hole 13 respectively, wherein the first support 7 is spirally connected fixing with v-shaped folded plate 11 by the second locating hole 12, second latch 15, through v-shaped folded plate 11 and the second fixing hole 12, fixes v-shaped folded plate 11 and the first support 7;
Second support 8 is provided with the 3rd fixing hole 18 and the 3rd locating hole 19 with v-shaped folded plate 11 junction, second support 8 and v-shaped folded plate 11 by through the 3rd locating hole 19 and and v-shaped folded plate 11 on the through hole that arranges be spirally connected fixing, the 3rd latch 16 through v-shaped folded plate 11 and the second support 8 fixing both;
Wherein, v-shaped folded plate 11 is provided with two panels, is equipped with the both sides of fixing hole and the locating hole arranged at the first support 7 and the second support 8 respectively.
Wherein, extract the second latch 15 or the 3rd latch 16, or two latches are all extracted, i.e. collapsible first support 7 and the second support 8.
Further say, a sliding bar 20 is provided with between second support 8 and the second backing plate 5, sliding bar 20 one end is fixed on the second backing plate 5 towards the second support 8 side, sliding bar 20 other end is fixedly connected with holder 21, holder 21 is socketed on the second support 8,4th latch 17 is inserted through holder 21,4th latch 17 is resilient pin, and insert the locating hole that the second support 8 is equipped with, holder 21 is fixed on the second support 8, thus fixing slip 20 with regulate the second backing plate 5 with the angle of the second support 8.
Those of ordinary skill in the art will be appreciated that; above embodiment is only used to the utility model is described but not as to restriction of the present utility model; as long as in scope of the present utility model, all protection domain of the present utility model will be fallen into the change of above embodiment, distortion.
Claims (9)
1. a twofold board for lying on back, comprise fore-stock (1), in inverted L-shaped or the back stay (2) that is connected of T-shaped, can it is characterized in that: the pin raker (3) that described back stay (2) comprises support bar (6), is fixedly connected with support bar (6) with fore-stock (1); Back stay (2) is provided with the first fixing hole (9) and the first locating hole (10), fore-stock (1) comprises the first support (7), the first support (7) supports and the first backing plate (4) be fixedly connected with, the second support (8), with second backing plate (5) of the second support (8) upper end thereof, the connector being connected the first support (7) and the second support (8), described first support (7) is fixedly connected with by two through hole with connector, and described second support (8) is fixedly connected with by two through hole with connector.
2. board for lying on back as claimed in claim 1, is characterized in that: described connector is v-shaped folded plate (11), and described v-shaped folded plate is provided with two pieces, is disposed in the both sides of the first support (7) and the set through hole of the second support (8) respectively.
3. board for lying on back as claimed in claim 2, it is characterized in that: the through hole on described first support (7) at least comprises a fixing hole and a locating hole, the cooperation of described v-shaped folded plate (11) side is provided with at least two through hole, for being fixed the first support (7) and v-shaped folded plate (11) by bolt or latch; Through hole on described second support (8) at least comprises a fixing hole and a locating hole, and described v-shaped folded plate (11) another side plate coordinates and is provided with at least two through hole, for be bolted or latch fixes the second support (8) and v-shaped folded plate (11).
4. board for lying on back as claimed in claim 3, is characterized in that: the through hole on described locating hole and v-shaped folded plate (11) is bolted to connection, and/or described fixing hole is fixedly connected with by latch with another through hole on v-shaped folded plate (11).
5. board for lying on back as claimed in claim 1, is characterized in that: the first fixing hole (9) that described back stay (2) is arranged and the first locating hole (10) cooperation are provided with two groups or many groups, and are positioned at varying level position.
6. board for lying on back as claimed in claim 5, is characterized in that: described first fixing hole (9) is fixedly connected with back stay (2) and the first support (7) by latch; Described first locating hole (10) is bolted to connection back stay (2) and the first support (7).
7. board for lying on back as described in claim 3 or 6, is characterized in that: described first support (7) is 7 fonts.
8. the board for lying on back as described in claim 5 or 6, is characterized in that: described back stay is provided with the uniform hole of multiple longitudinal direction, staggered as locating hole or fixing hole.
9. board for lying on back as claimed in claim 1, it is characterized in that: between described second support (8) and the second backing plate (5), be provided with a sliding bar (20), described sliding bar (20) one end is fixed on the second backing plate (5) towards the second support (8) side, sliding bar (20) other end is fixedly connected with holder (21), holder (21) is slidably socketed on the second support (8), and a resilient pin (17) is through holder (21) and insert the locating hole that the second support (8) is equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498759.2U CN204170348U (en) | 2014-09-01 | 2014-09-01 | A kind of twofold board for lying on back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498759.2U CN204170348U (en) | 2014-09-01 | 2014-09-01 | A kind of twofold board for lying on back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170348U true CN204170348U (en) | 2015-02-25 |
Family
ID=52559189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498759.2U Expired - Fee Related CN204170348U (en) | 2014-09-01 | 2014-09-01 | A kind of twofold board for lying on back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693269A (en) * | 2017-01-11 | 2017-05-24 | 河北对外经贸职业学院 | Manufacturing and use methods of folding type baby height touching training device |
| CN108937293A (en) * | 2018-06-25 | 2018-12-07 | 永康市大邦运动器材有限公司 | A kind of Body-building sofa |
-
2014
- 2014-09-01 CN CN201420498759.2U patent/CN204170348U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693269A (en) * | 2017-01-11 | 2017-05-24 | 河北对外经贸职业学院 | Manufacturing and use methods of folding type baby height touching training device |
| CN108937293A (en) * | 2018-06-25 | 2018-12-07 | 永康市大邦运动器材有限公司 | A kind of Body-building sofa |
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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: 20150225 Termination date: 20170901 |