CN201850704U - Steel bar spacer - Google Patents
Steel bar spacer Download PDFInfo
- Publication number
- CN201850704U CN201850704U CN2010205194481U CN201020519448U CN201850704U CN 201850704 U CN201850704 U CN 201850704U CN 2010205194481 U CN2010205194481 U CN 2010205194481U CN 201020519448 U CN201020519448 U CN 201020519448U CN 201850704 U CN201850704 U CN 201850704U
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- China
- Prior art keywords
- reinforcing bar
- main body
- cushion block
- observation parts
- body wall
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Abstract
The utility model discloses a steel bar spacer, which comprises a frame main body comprising four main body side walls. First grooves for supporting upper-layer steel bars are arranged at the top ends of at least one pair of opposite main body side walls respectively; and placement notches allowing steel bars to pass through are arranged at the bottom ends of the at least one pair of the opposite main body side walls respectively. The steel bar spacer is characterized in that supporting components connected with the main body side walls are arranged inside the placement notches, and second grooves for supporting lower-layer steel bars are formed at the top parts of the supporting components. The steel bar spacer provided by the utility model can fix and supporting two layers of steel bars at the same time without binding the steel bars, has good overall positioning effect, and greatly saves building construction time. The utility model also discloses an observation component used together with the spacer. During the construction, the concrete is just flush with the top end of the observation component. The observation component ensures the same concrete height in different positions, and effectively takes the role of regulating the height of the concrete layer.
Description
Technical field
The utility model belongs to building operations articles for use field, particularly a kind of cushion block that is used for reinforced concrete structure.
Technical background
The thickness relationship of concrete cover to reinforcement is to performances such as the bearing capacity of structure, durability, fire prevention; in building operations; when carrying out the building of reinforced concrete structures such as beam, post, floor; for making reinforced concrete protective layer reach certain thickness; guarantee the bearing capacity of reinforcing bar in engineering structures; must use the cushion block bearing bar, make cushion block between reinforcing bar and template, and keep certain distance with template.
In the conventional art, mostly be to adopt prefabricated cement block as cushion block, low but this cushion block has intensity, the easy shortcoming of pulverizing, and in practice of construction, usually cause reinforcing bar to break away from the phenomenon of cushion block, after building, can have influence on the whole fastness of building like this because vibration takes place.In order to solve this technical problem, patent CN 2432285Y discloses a kind of worker China Democratic National Construction Association construction concrete cover cushion block, described cushion block is injection molded by PVC or modified plastics, one or several draw-in grooves are set on the top of cushion block, reinforcing bar crouches in draw-in groove during use, the vibration of invar muscle framework can not take place and cause reinforcing bar to break away from cushion block, thereby guaranteed the stability of reinforcing bar; Cushion block in the above-mentioned technology is merely able to support a reinforcing bar, but in the actual building construction process, reinforcing cage has sandwich construction, and the common double-decker that mostly is has double-deck reinforcing bar to support simultaneously, adopts this technology to realize.
In the prior art, in order to solve the problems of the technologies described above, patent CN 201224955Y discloses a kind of reinforced concrete protective layer backing metal, the main body top of described cushion block is cross reinforcing rib agent structure, the bottom is provided with four legs, four legs constitute the side and are dome-shaped and interior sky and are used for the glue bit architecture of snatching a moment with main muscle colligation and fill concrete, the curved groove structure in cross reinforcing rib upper end, the deep-slotted chip breaker body structure surface is evenly equipped with little tooth and forms the profile of tooth bayonet socket, be used for and main muscle clamping, described cushion block has the intensity height, stability better, corrosion-resistant and the strong advantage of non-oxidizability has improved the durability of reinforced concrete structural element; Of paramount importancely be, adopt the backing metal described in this technology because it has the glue of snatching a moment bit architecture and cross reinforcing rib, the leg by constituting the described glue bit architecture of snatching a moment and the colligation of main muscle have realized the support fixation to one deck reinforcing bar, and the reinforcing bar of last layer is carried out support fixation by described cross reinforcing rib, be the fixed support of having realized double steel bar on the whole.
But, need adopt the mode of colligation in the above-mentioned technology for the fixed support of bottom layer of the reinforcing steel, when building operations, reinforcing cage can have comparatively huge structure according to the building demand, the reinforcing bar amount that need carry out colligation is huge, has so just increased the engineering quantity of building operations greatly, expends a large amount of time, and stability is also good inadequately, has influenced the whole locating effect of reinforcing bar.
The utility model content
To be reinforcing bar cushion block of the prior art realizing that two-layer reinforcing bar is carried out the while during fixed support to the technical problems to be solved in the utility model, need carry out colligation to the reinforcing bar of one deck wherein fixes, in building operations, increased engineering quantity so greatly, expended building time, and the whole locating effect of reinforcing bar is not good yet, so provide a kind of need not to reinforcing bar carry out colligation promptly can realize to two-layer reinforcing bar simultaneously fixed support and whole good positioning effect the reinforcing bar cushion block.
The utility model provides a kind of reinforcing bar cushion block, comprises the chassis body of being made up of four main body wall, forms first groove that is used to support top reinforcement respectively on the top of at least one pair of relative described main body wall;
The bottom of a pair of therein described main body wall relatively offers the placement recess that wears reinforcing bar respectively;
Be provided with the support component that links to each other with described main body wall in described placement recess, the top of described support component forms second groove that is used to support lower floor's reinforcing bar.
Described support component is connected with the described main body wall of described placement recess one side, and and the described main body wall of described placement recess opposite side between have and be suitable for the space that reinforcing bar passes through.
Described support component is a gripper shoe.
Offer the circulation recess of pouring material on the main body wall of not offering described placement recess of described chassis body, the height of described circulation recess is greater than the height of described placement recess.
Described placement recess and described circulation recess are arch.
Be provided with the cross reinforcing rib in described chassis body inboard, the top of described cross reinforcing rib is lower than the bottom of described first groove, and the bottom of described cross reinforcing rib is higher than the top of described second groove and leaves and is suitable for placing the space of reinforcing bar or is higher than described circulation recess top peak.
Described cross reinforcing rib connects four corners of described four main body wall by diagonal way.
Described chassis body is trapezoidal shape.
Described chassis body lowermost end is provided with inverted U-shaped dredging flow groove.
A kind of observation parts that cooperate above-mentioned reinforcing bar cushion block, described observation parts are fit to be installed in the upper end of described chassis body, the frame construction of described observation parts for surrounding by four observation part sidewalls, at least two relative sidewalls of described frame construction are provided with the circulation breach of pouring material; It is fixing that the outline of described observation part sidewall is suitable for cooperating realization to peg graft with the inboard profile of described main body wall.
Form the flange that outwards protrudes with respect to its outline at the equal height place of described observation part sidewall, fastening is realized at the top of described flange and described chassis body; Or the bottom of described observation parts is seated in and realizes the location of described observation parts on described chassis body on the described cross reinforcing rib.
Described flange the top that the position is lower than described circulation breach is set.
The top of described observation parts is provided with the U-shaped bypass channel.
Described observation parts are trapezoidal shape.
Advantage of the present utility model is:
(1) reinforcing bar cushion block described in the utility model comprises the chassis body of being made up of four main body wall, forms first groove that is used to support top reinforcement respectively on the top of at least one pair of relative described main body wall; The bottom of a pair of therein described main body wall relatively offers the placement recess that wears reinforcing bar respectively; Be provided with the support component that links to each other with described main body wall in described placement recess, the top of described support component forms second groove that is used to support lower floor's reinforcing bar.The utility model does not need again described reinforcing bar and main body to be carried out colligation by the setting of described second groove, can realize this groove fixing to lower floor's reinforcing bar, thereby accelerate speed of application, has improved the fixed effect of reinforcing bar greatly yet.
(2) reinforcing bar cushion block described in the utility model, on the main body wall of not offering described placement recess of described chassis body, offer the circulation recess of pouring material, the height of described circulation recess is greater than the height of described placement recess, it is lower height that described placement recess is set, realized the stability of described chassis body, thereby guaranteed need can be owing to load-bearing deforms too greatly to the position that lower floor's reinforcing bar supports; The height of the height of described circulation recess and described circulation recess greater than described placement recess is set, thereby guaranteed when building operations, concrete can successfully enter framework inside through the circulation recess, improve concrete conveying degree in the process of building on the whole, made the easier connection of flowing of the inside and outside concrete of described cushion block; Similarly, chassis body lowermost end at described reinforcing bar cushion block is provided with inverted U-shaped dredging flow groove, the top of described observation parts is provided with the U-shaped bypass channel, also is for concrete connection effect inside and outside the described cushion block of further promotion, has increased the intensity of described concrete structure.
(3) reinforcing bar cushion block described in the utility model, also be provided with the observation parts that cooperate described reinforcing bar cushion block, described observation parts are fit to be installed in the upper end of described chassis body, the frame construction of described observation parts for surrounding by four observation part sidewalls, at least two relative sidewalls of described frame construction are provided with the circulation breach of pouring material; It is fixing that the outline of described observation part sidewall is suitable for cooperating realization to peg graft with the inboard profile of described main body wall.In the prior art, behind the concreting, cushion block and reinforcing bar can bury in concrete, can't judge that described layer of concrete did not have the height of described reinforcing bar, thereby cause the apparent height of layer of concrete inconsistent, uneven.The observation parts that described in the utility model and described reinforcing bar cushion block is used, and by described observation parts are set is differing heights, when construction, do not have described observation parts top to be as the criterion just with concrete, the concrete height that guarantees each position is identical, has played the effect of regulating the layer of concrete height effectively.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Shown in Figure 1 is the schematic diagram of cushion block chassis body described in the utility model;
Shown in Figure 2 is the front view that is provided with the cushion block main body frame of circulation recess, cross reinforcing rib and inverted U-channel described in the utility model;
Shown in Figure 3 is the lateral view that is provided with the cushion block main body frame of circulation recess, cross reinforcing rib and inverted U-channel described in the utility model;
Shown in Figure 4 is the vertical view that is provided with the cushion block main body frame of circulation recess, cross reinforcing rib and inverted U-channel described in the utility model;
Shown in Figure 5 is the front view of observation parts described in the utility model;
Shown in Figure 6 is the lateral view of observation parts described in the utility model;
Shown in Figure 7 is the vertical view of observation parts described in the utility model;
Shown in Figure 8 is the match front view of work of observation parts described in the utility model and cushion block;
Shown in Figure 9 is the match lateral view of work of observation parts described in the utility model and cushion block
Wherein, Reference numeral is: 1-first groove; 2-places recess; The 3-support component; 4-second groove; The 5-recess that circulates; 6-cross reinforcing rib; The inverted U-shaped dredging flow groove of 7-; The 8-breach that circulates; The 9-flange; 10-U shape bypass channel.
The specific embodiment
Be illustrated in figure 1 as the main frame structure of reinforcing bar cushion block described in the utility model, described cushion block comprises the chassis body of being made up of four main body wall, described chassis body can select to be set to trapezoidal shape, forms first groove 1 that is used to support top reinforcement respectively on the top of at least one pair of relative described main body wall; Only be used to support first groove 1 of top reinforcement in the present embodiment in the top moulding of a pair of relative main body wall; The bottom of a pair of therein described main body wall relatively offers the placement recess 2 that wears reinforcing bar respectively, described placement recess 2 is domes, in described placement recess 2, be provided with the support component 3 that links to each other with described main body wall, select to be provided with described support component 3 in the present embodiment and be gripper shoe, described gripper shoe is connected with the described main body wall of described placement recess 2 one sides, and and the described main body wall of described placement recess 2 opposite sides between have and be suitable for the space that reinforcing bar passes through; Form second groove 4 that is used to support lower floor's reinforcing bar at the top of described gripper shoe.
The structural representation of the convertible embodiment of reinforcing bar cushion block described in the utility model is seen Fig. 2, Fig. 3, shown in Figure 4, described in this embodiment reinforcing bar cushion block is on the basis of structure described in the embodiment 1, also on two main body wall not offering described placement recess 2 of described chassis body, offer the circulation recess 5 of pouring material, the height of described circulation recess 5 is greater than the height of described placement recess 2, and described circulation recess 5 is arch equally.
All form first groove 1 that is used to support top reinforcement in the present embodiment on the top of two pairs of relative main body wall.
Reinforcing bar cushion block in the present embodiment also is provided with cross reinforcing rib 6 in described chassis body inboard, the top of described cross reinforcing rib 6 is lower than the bottom of described first groove 1, and the bottom of described cross reinforcing rib 6 is higher than the top of described second groove 4 and leaves and is suitable for placing the space of reinforcing bar or is higher than described circulation recess 5 top peaks.
For the setting of described cross reinforcing rib 6, can take dual mode, a kind of mode is four corners that connect described four main body wall by diagonal way.Another kind of mode is the position of center line that connects described four main body wall respectively.
In addition, in order to improve concrete rate of filtration, reinforcing bar cushion block described in the utility model also is provided with a plurality of inverted U-shaped dredging flow grooves 7 at described chassis body lowermost end.
The schematic diagram of observation parts described in the utility model such as Fig. 5, Fig. 6, shown in Figure 7, the frame construction of described as we can see from the figure observation parts for surrounding by four observation part sidewalls, described frame construction is trapezoidal shape, and at least two relative sidewalls of described frame construction are provided with the circulation breach 8 of pouring material; During use, described observation parts are fit to be installed in the upper end of described chassis body, and it is fixing that the outline of described observation part sidewall is suitable for cooperating realization to peg graft with the inboard profile of described main body wall.
Except that aforesaid way, for the cooperation that realizes described observation parts and described main body is fixed, the bottom of described observation parts may be seated in and realizes the location of described observation parts on described chassis body on the described cross reinforcing rib 6.Another kind of disposable enforcement fit system, observation parts described in the present embodiment can form the flange 9 that outwards protrudes with respect to its outline at the equal height place of described observation part sidewall, described flange 9 the top that the position is lower than described circulation breach 8 is set, described flange 9 is realized fastening with the top of described chassis body.
Similarly in order to improve concrete rate of filtration, observation parts described in the utility model also are provided with U-shaped bypass channel 10 in the top of described observation parts.
Reinforcing bar cushion block described in the foregoing description is when work, and lower floor's reinforcing bar of described reinforcing cage is placed on described second groove 4, and the top reinforcement of described reinforcing cage is placed on described first groove 1; Build in the process, concrete enters described reinforcing bar cushion block cavity by described placement recess 2 or circulation recess 5 or inverted U-shaped dredging flow groove 7, described cushion block by concrete build with concrete formation together, guaranteed the intensity of described reinforced concrete structure.
Observation parts described in the foregoing description will be placed on the top of described reinforcing bar cushion block when cooperating described reinforcing bar cushion block to work, the circulation breach 8 of the pouring material on the two opposite side surfaces of described observation parts is on described top reinforcement; Build in the process, concrete is by described circulation breach 8 and be arranged on described observation parts U-shaped bypass channel 10 topmost, enter the inside of described observation parts and described reinforcing bar cushion block, described cushion block by concrete build with concrete formation together, each cushion block place did not all have described observation parts top to be as the criterion with concrete just when building, make the concrete height of each position identical, described observation parts and cushion block match schematic diagram such as Fig. 8, shown in Figure 9 of work.
The above; only be for example clearly is described; and be not qualification to embodiment; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here need not also can't give to all embodiments exhaustive, and the conspicuous variation of being extended out thus or the change still be among the protection domain of the present utility model.
Claims (14)
1. a reinforcing bar cushion block comprises the chassis body of being made up of four main body wall, forms first groove that is used to support top reinforcement respectively on the top of at least one pair of relative described main body wall;
The bottom of a pair of therein described main body wall relatively offers the placement recess that wears reinforcing bar respectively;
It is characterized in that:
Be provided with the support component that links to each other with described main body wall in described placement recess, the top of described support component forms second groove that is used to support lower floor's reinforcing bar.
2. reinforcing bar cushion block according to claim 1 is characterized in that: described support component is connected with the described main body wall of described placement recess one side, and and the described main body wall of described placement recess opposite side between have and be suitable for the space that reinforcing bar passes through.
3. reinforcing bar cushion block according to claim 1 and 2 is characterized in that: described support component is a gripper shoe.
4. reinforcing bar cushion block according to claim 1 and 2 is characterized in that: offer the circulation recess of pouring material on the main body wall of not offering described placement recess of described chassis body, the height of described circulation recess is greater than the height of described placement recess.
5. reinforcing bar cushion block according to claim 4 is characterized in that: described placement recess and described circulation recess are arch.
6. reinforcing bar cushion block according to claim 1 and 2, it is characterized in that: be provided with the cross reinforcing rib in described chassis body inboard, the top of described cross reinforcing rib is lower than the bottom of described first groove, and the bottom of described cross reinforcing rib is higher than the top of described second groove and leaves and is suitable for placing the space of reinforcing bar or is higher than described circulation recess top peak.
7. reinforcing bar cushion block according to claim 6 is characterized in that: described cross reinforcing rib connects four corners of described four main body wall by diagonal way.
8. according to claim 1 or 2 or 5 or 7 described reinforcing bar cushion blocks, it is characterized in that: described chassis body is trapezoidal shape.
9. reinforcing bar cushion block according to claim 8 is characterized in that: described chassis body lowermost end is provided with inverted U-shaped dredging flow groove.
10. observation parts that cooperate the arbitrary described reinforcing bar cushion block of claim 1-9, it is characterized in that: described observation parts are fit to be installed in the upper end of described chassis body, the frame construction of described observation parts for surrounding by four observation part sidewalls, at least two relative sidewalls of described frame construction are provided with the circulation breach of pouring material; It is fixing that the outline of described observation part sidewall is suitable for cooperating realization to peg graft with the inboard profile of described main body wall.
11. observation parts according to claim 10 is characterized in that: form the flange that outwards protrudes with respect to its outline at the equal height place of described observation part sidewall, fastening is realized at the top of described flange and described chassis body; Or the bottom of described observation parts is seated in and realizes the location of described observation parts on described chassis body on the described cross reinforcing rib.
12. observation parts according to claim 11 is characterized in that: described flange the top that the position is lower than described circulation breach is set.
13. according to claim 10 or 11 or 12 described observation parts, it is characterized in that: the top of described observation parts is provided with the U-shaped bypass channel.
14. observation parts according to claim 13 is characterized in that: described observation parts are trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194481U CN201850704U (en) | 2010-09-07 | 2010-09-07 | Steel bar spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194481U CN201850704U (en) | 2010-09-07 | 2010-09-07 | Steel bar spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201850704U true CN201850704U (en) | 2011-06-01 |
Family
ID=44093103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205194481U Expired - Lifetime CN201850704U (en) | 2010-09-07 | 2010-09-07 | Steel bar spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201850704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942690A (en) * | 2021-04-30 | 2021-06-11 | 温州振华建设有限公司 | Construction steel bar protective layer clamping device |
-
2010
- 2010-09-07 CN CN2010205194481U patent/CN201850704U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942690A (en) * | 2021-04-30 | 2021-06-11 | 温州振华建设有限公司 | Construction steel bar protective layer clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
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| CX01 | Expiry of patent term |