CN213439041U

CN213439041U - Burnishing device is used in sport equipment production

Info

Publication number: CN213439041U
Application number: CN202021685790.9U
Authority: CN
Inventors: 凌舒
Original assignee: Fuzhou Zhongde Sports Goods Co ltd
Current assignee: Fuzhou Zhongde Sports Goods Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-15
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a burnishing device is used in sport equipment production belongs to sport equipment production field, the on-line screen storage device comprises a base, the positive sliding connection of base has first displacement board, the top sliding connection of first displacement board has the second displacement board, the top fixedly connected with polishing subassembly body of second displacement board, the back of polishing subassembly body is provided with fixed subassembly, fixed subassembly includes first electric putter, motor and two clamping part. The utility model discloses a, can make the displacement that the polishing subassembly body goes on the front and back through setting up the second displacement board to be close to the tubulose work piece, with the distance to the surface in the tubulose work piece axle center of adaptation different diameters and different wall thickness, reach the purpose to the tubulose work piece polishing of different diameters and different wall thicknesses, set up the displacement that first displacement board can make the polishing subassembly body at second displacement board rather than the top carry out left right direction, reach the equal polished purpose of tubulose work piece to different length.

Description

Burnishing device is used in sport equipment production

Technical Field

The utility model relates to a sport equipment produces the field, and more specifically says, relates to a burnishing device is used in sport equipment production.

Background

The sports equipment is a general term of various instruments, equipment and articles used in competitive sports competitions and body-building exercises, has excellent quality, stable performance, safety and reliability, can ensure that the competitive competitions are carried out under the conditions of justice and violence, and creates necessary material conditions for promoting the improvement of sports level.

The sport equipment polishing device on the market has the advantages that the sport equipment needs to polish stainless steel tubular workpieces in the production process, so that the surfaces of the stainless steel tubular workpieces are smoother and bright, the sport equipment polishing device on the market has a single function, the polishing efficiency is low, and the polishing of tubular workpieces with different diameters, different lengths and different wall thicknesses cannot be met.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a burnishing device is used in sport equipment production possesses the polishing efficiency height, can solve sport equipment burnishing device function singleness on the existing market to the advantage of the tubulose work piece polishing of different diameters, different length and different wall thickness, and polishing efficiency is low, and can not satisfy the problem of the polishing of the tubulose work piece of different diameters, different length and different wall thicknesses.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A polishing device for sports equipment production comprises a base, wherein a first displacement plate is connected to the front of the base in a sliding manner, a second displacement plate is connected to the top of the first displacement plate in a sliding manner, a polishing component body is fixedly connected to the top of the second displacement plate, a fixing component is arranged on the back of the polishing component body and comprises a first electric push rod, a motor and two clamping components, a first supporting seat is fixedly connected to the right side of the top of the base, a second supporting seat is connected to the left side of the top of the base in a sliding manner, the right side of the first electric push rod is fixedly connected with the left side of the second supporting seat, the top of the first supporting seat is fixedly connected with the bottom of the motor, the bottoms of the two clamping components are fixedly connected with the tops of the first supporting seat and the second supporting seat respectively, and a tubular workpiece is sleeved outside one side, opposite to the two clamping components, the two clamping components respectively comprise a support frame, two rotating pipes and two support components, the bottoms of the two support frames are respectively and fixedly connected with the tops of a first support seat and a second support seat, the opposite sides of the two rotating pipes are respectively penetrated and rotatably connected with the opposite sides of the two support frames, the right side of the rotating pipe on the right side is fixedly connected with the left side of a motor through a coupler, the outer parts of the two support components are respectively and slidably connected with the inner parts of the two rotating pipes, the tops and the bottoms of the two support components are respectively penetrated and rotatably connected with the tops and the bottoms of the two rotating pipes and are contacted with the tops and the bottoms of the inner walls of the tubular workpieces, the opposite sides of the two support components are respectively and fixedly connected with an integrally formed pushing block, the tops and the bottoms of the two pushing blocks are respectively penetrated and slidably connected with the outer parts of the two rotating pipes, and the, and the opposite sides of the two second electric push rods are respectively fixedly connected with the opposite sides of the two pushing blocks.

Preferably, the supporting component comprises a push rod, the push rod is connected to the inside of the rotating tube in a sliding mode, one side, away from the tubular workpiece, of the push rod is fixedly connected with the back of the push block, the top and the bottom of the push rod are hinged to two supporting rods, the supporting rods are hinged to one side, away from the push rod, of each supporting rod, penetrate through the supporting rods and extend to the outside of the rotating tube, supporting blocks are hinged to one sides, away from the push rod, of the supporting rods, and one sides, away from the supporting rods, of the supporting blocks are in contact with the inner wall of the tubular workpiece.

Preferably, one side of the supporting block, which is far away from the rotating pipe, is fixedly connected with an anti-slip mat, and the supporting block is a magnetic adsorption material.

Preferably, two equal fixedly connected with locating plate in the one side of carrying on the back of the body of rotating tube, two the relative one side of locating plate contacts with the one side of carrying on the back of the body of two support frames.

Preferably, the sliding tray has all been seted up at the top of base and the top of first displacement board, two the inside of sliding tray all rotates and is connected with the screw rod, two one side that the polishing subassembly body was kept away from to the screw rod runs through respectively and extends to the outside of base and first displacement board, two the equal threaded connection in outside of screw rod has the slider, two the top of slider is fixed connection respectively in the bottom of first displacement board and second displacement board.

Preferably, two the equal fixedly connected with knob in one side that the screw rod kept away from the polishing subassembly body, the back fixedly connected with control panel at base top.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the polishing device for sports equipment production can enable the polishing component body to displace forwards and backwards by arranging the second displacement plate so as to be close to a tubular workpiece, so as to adapt to the distance from the axis of the tubular workpiece with different diameters and different wall thicknesses to the outer surface and achieve the purpose of polishing the tubular workpiece with different diameters and different wall thicknesses, the first displacement plate can enable the second displacement plate to displace in the left and right directions with the polishing component body at the top of the second displacement plate, so as to achieve the purpose of polishing the tubular workpieces with different lengths, the bottoms of the two clamping parts are respectively fixedly connected with the tops of the first supporting seat and the second supporting seat, the bottom of the second supporting seat is slidably connected with the top of the base, the right side of the first electric push rod is fixedly connected with the left side of the second supporting seat, the second supporting seat can be pushed to be close to the first supporting seat by starting the first electric push rod, thereby enabling the two clamping parts to be close to each other to clamp tubular workpieces with different lengths, the clamping parts comprise a support frame, a rotating pipe and a support component, the support frame can support the rotating pipe and the support component, the support component is fixedly connected with the pushing block, the pushing block can be pushed by starting the second electric push rod, thereby pushing the push rod to one side close to the tubular workpiece, wherein the top and the bottom of the push rod are respectively articulated with two support rods, because of the limitation of the rotating tube, one side of the supporting rod, which is far away from the pushing block, is outwards opened, so that the supporting block is propped against the inner wall of the tubular workpiece, the second electric push rod can be self-locked to fix the position of the supporting block so as to fix the tubular workpiece, the motor can drive the rotating tube to rotate, the supporting rod can be driven to rotate when the rotating tube rotates, thereby enabling the tubular workpiece to rotate simultaneously and the polishing direction of the tubular workpiece is opposite to that of the polishing component body, and further improving the polishing efficiency.

(2) This burnishing device is used in sport equipment production, through setting up catch bar and catch block fixed connection, second electric putter can promote the catch block, thereby promote the catch bar to the one side that is close to the tubulose work piece, the top and the bottom of catch bar all articulate there are two bracing pieces, because the restriction of rotating-tube, one side that the catch block was kept away from to the messenger bracing piece is outwards opened, thereby make the supporting shoe support the inner wall of tubulose work piece, thereby second electric putter can fix the tubulose work piece by the rigidity that the auto-lock made the supporting shoe, can drive the bracing piece when making the rotating-tube rotatory and rotate, thereby make the tubulose work piece rotate simultaneously and with polishing subassembly body polishing opposite direction, the efficiency of polishing has further been improved.

(3) This burnishing device is used in sport equipment production is magnetic adsorption material through setting up the supporting shoe, can adsorb the tubulose work piece of stainless steel, and the slipmat can increase the frictional force of supporting shoe and tubulose work piece inner wall to make the centre gripping more stable, can drive the tubulose work piece and rotate together and polish when making the motor drive the rotating tube and rotate, make polishing efficiency higher.

(4) This burnishing device is used in sport equipment production can restrict two clamping part and can not control the displacement at rotatory in-process through setting up the locating plate, makes tubular workpiece stable fixed can not rock to it is better to make polishing effect.

(5) This burnishing device is used in sport equipment production through setting up slider and screw rod threaded connection, can drive the slider displacement when making to rotate the screw rod to can drive first displacement board and second displacement board displacement, and the screw rod has the effect of auto-lock, makes first displacement board and second displacement board atress can not rock at the polishing in-process, makes polishing effect better.

(6) This burnishing device is used in sport equipment production through setting up the knob, can control the screw rod through rotating the knob and rotate, makes the operation more convenient, sets up control panel and can control the start-up of polishing subassembly body and fixed subassembly to fix, rotate and polish tubular workpiece, make the operation more convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view of the fixing assembly of the present invention;

fig. 5 is an enlarged view of the utility model at B in fig. 4;

fig. 6 is a right side sectional view of the polishing module body of the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a first displacement plate; 3. a second displacement plate; 4. a polishing assembly body; 5. a sliding groove; 6. a screw; 7. a slider; 8. a fixing assembly; 9. a first electric push rod; 10. a motor; 11. a clamping member; 12. a first support base; 13. a second support seat; 14. a support frame; 15. rotating the tube; 1501. positioning a plate; 16. a support assembly; 1601. a push rod; 1602. a support bar; 1603. a support block; 17. a pushing block; 18. a tubular workpiece; 19. a second electric push rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, a polishing device for sports equipment production comprises a base 1, a first displacement plate 2 is slidably connected to the front of the base 1, a second displacement plate 3 is slidably connected to the top of the first displacement plate 2, a polishing assembly body 4 is fixedly connected to the top of the second displacement plate 3, a fixing assembly 8 is arranged on the back of the polishing assembly body 4, the fixing assembly 8 comprises a first electric push rod 9, a motor 10 and two clamping components 11, a first supporting seat 12 is fixedly connected to the right side of the top of the base 1, a second supporting seat 13 is slidably connected to the left side of the top of the base 1, the right side of the first electric push rod 9 is fixedly connected to the left side of the second supporting seat 13, the top of the first supporting seat 12 is fixedly connected to the bottom of the motor 10, the bottoms of the two clamping components 11 are fixedly connected to the tops of the first supporting seat 12 and the second supporting seat 13 respectively, the tubular workpiece 18 is sleeved outside the opposite side of the two clamping components 11, the two clamping components 11 respectively comprise support frames 14, rotating tubes 15 and support assemblies 16, the bottoms of the two support frames 14 are respectively and fixedly connected to the tops of the first support seat 12 and the second support seat 13, the opposite sides of the two rotating tubes 15 are respectively penetrated and rotatably connected to the opposite sides of the two support frames 14, the right side of the rotating tube 15 on the right side is fixedly connected with the left side of the motor 10 through a coupler, the outer parts of the two support assemblies 16 are respectively and slidably connected to the inner parts of the two rotating tubes 15, the tops and the bottoms of the two support assemblies 16 are respectively penetrated and rotatably connected to the tops and the bottoms of the inner walls of the two rotating tubes 15 and contacted with the tops and the bottoms of the inner walls of the tubular workpiece 18, the opposite sides of the two support assemblies 16 are respectively and fixedly connected with the integrally formed pushing blocks 17, the tops and the, the front sides of the two rotating pipes 15 are fixedly connected with second electric push rods 19, the opposite sides of the two second electric push rods 19 are fixedly connected with the opposite sides of the two pushing blocks 17 respectively, the polishing component body 4 can be displaced back and forth by arranging the second displacement plate 3 so as to be close to the tubular workpiece 18 to adapt to the distance from the axis of the tubular workpiece 18 with different diameters and different wall thicknesses to the outer surface, thereby achieving the purpose of polishing the tubular workpiece 18 with different diameters and different wall thicknesses, the first displacement plate 2 can be arranged so as to enable the second displacement plate 3 and the polishing component body 4 at the top of the second displacement plate 3 to be displaced in the left and right directions, thereby achieving the purpose of polishing the tubular workpieces 18 with different lengths, the bottoms of the two clamping parts 11 are fixedly connected with the top parts of the first supporting seat 12 and the second supporting seat 13 respectively, and the bottom part of the second supporting seat 13 is connected with the top part of the base, the right side of the first electric push rod 9 is fixedly connected with the left side of the second supporting seat 13, the second supporting seat 13 can be pushed to approach the first supporting seat 12 by starting the first electric push rod 9, so that the two clamping components 11 approach each other to clamp tubular workpieces 18 with different lengths, each clamping component 11 comprises a supporting frame 14, a rotating tube 15 and a supporting component 16, each supporting frame 14 can support the rotating tube 15 and the supporting component 16, each supporting component 16 is fixedly connected with a pushing block 17, the pushing block 17 can be pushed by starting the second electric push rod 19, so that the pushing rod 1601 is pushed to one side close to the tubular workpieces 18, the top and the bottom of the pushing rod 1601 are hinged with two supporting rods 1602, due to the limitation of the rotating tube 15, one side of the supporting rod 1602, which is far away from the pushing block 17, is opened outwards, so that the supporting block 1603 abuts against the inner wall of the tubular workpieces 18, the second electric push rod 19 can be self-locked so that the position of the supporting block, the motor 10 can drive the rotating tube 15 to rotate, and the rotating tube 15 can drive the support rod 1602 to rotate when rotating, so that the tubular workpiece 18 rotates simultaneously and is opposite to the polishing direction of the polishing component body 4, and the polishing efficiency is further improved.

Further, the supporting component 16 includes a pushing rod 1601, the pushing rod 1601 is slidably connected to the inside of the rotating tube 15, one side of the pushing rod 1601, which is far away from the tubular workpiece 18, is fixedly connected to the back of the pushing block 17, the top and the bottom of the pushing rod 1601 are both hinged to two supporting rods 1602, one side of the four supporting rods 1602, which is far away from the pushing rod 1601, is both penetrated through and extended to the outside of the rotating tube 15, one side of the four supporting rods 1602, which is far away from the pushing rod 1601, is both hinged to a supporting block 1603, one side of the four supporting blocks 1603, which is far away from the supporting rods 1602, is both contacted with the inner wall of the tubular workpiece 18, by arranging the pushing rod 1601 to be fixedly connected to the pushing block 17, the second electric push rod 19 can push the pushing block 17, so as to push the pushing rod 1601 to one side near the tubular workpiece 18, the top and the bottom of the pushing rod 1601, therefore, the supporting block 1603 is abutted against the inner wall of the tubular workpiece 18, the second electric push rod 19 can be self-locked to fix the position of the supporting block 1603 so as to fix the tubular workpiece 18, the rotating pipe 15 can drive the supporting rod 1602 to rotate when rotating, the tubular workpiece 18 rotates simultaneously and the polishing direction of the tubular workpiece is opposite to that of the polishing assembly body 4, and the polishing efficiency is further improved.

Further, the equal fixedly connected with slipmat in one side that the rotating tube 15 was kept away from to supporting shoe 1603, and supporting shoe 1603 is magnetic adsorption material, is magnetic adsorption material through setting up supporting shoe 1603, can adsorb the tubulose work piece 18 of stainless steel, and the slipmat can increase the frictional force of supporting shoe 1603 and the 18 inner walls of tubulose work piece to make the centre gripping more stable, can drive tubulose work piece 18 and rotate together and polish when making motor 10 drive rotating tube 15 rotate, make polishing efficiency higher.

Further, the equal fixedly connected with locating plate 1501 in one side mutually opposite to two rotating tubes 15, the opposite side of two locating plates 1501 contacts with one side mutually opposite to two support frames 14, can restrict two clamping part 11 through setting up locating plate 1501 and can not control the displacement at rotatory in-process, makes tubular workpiece 18 stable fixed can not rock to it is better to make the polishing effect.

Further, sliding tray 5 has all been seted up at base 1's top and first displacement board 2's top, the inside of two sliding tray 5 is all rotated and is connected with screw rod 6, one side that polishing subassembly body 4 was kept away from to two screw rods 6 runs through respectively and extends to the outside of base 1 and first displacement board 2, the equal threaded connection in outside of two screw rods 6 has slider 7, the top of two slider 7 is fixed connection in the bottom of first displacement board 2 and second displacement board 3 respectively, through setting up slider 7 and 6 threaded connection of screw rod, can drive slider 7 displacement when making rotation screw rod 6, thereby can drive first displacement board 2 and the displacement of second displacement board 3, and screw rod 6 has the effect of auto-lock, make first displacement board 2 and second displacement board 3 atress can not rock at polishing in-process, make polishing effect better.

Further, the equal fixedly connected with knob in one side that polishing subassembly body 4 was kept away from to two screw rods 6, the back fixedly connected with control panel at base 1 top, through setting up the knob, can control screw rod 6 through rotating the knob and rotate, it is more convenient to make the operation, sets up control panel and can control the start-up of polishing subassembly body 4 and fixed subassembly 8 to tubular workpiece 18 is fixed, is rotatory and the polishing, and it is more convenient to make the operation.

The working principle is as follows: when the polishing device is used, firstly, the right side of a tubular workpiece 18 is sleeved on the outer side of a right rotating pipe 15, then a first electric push rod 9 is started to enable a second supporting seat 13 to approach to the right side until the left side of the tubular workpiece 18 is sleeved on a left rotating pipe 15, so that the tubular workpiece 18 cannot sway left and right, at the moment, two second electric push rods 19 are opened to push a pushing block 17, so that a pushing rod 1601 is pushed to one side close to the tubular workpiece 18, due to the limitation of the rotating pipe 15, one side of a supporting rod 1602, which is far away from the pushing block 17, is outwards opened, so that the supporting block 1603 abuts against the inner wall of the tubular workpiece 18, the second electric push rods 19 can be self-locked to fix the position of the supporting block 1603, so that the tubular workpiece 18 is fixed, a motor 10 can drive the rotating pipe 15 to rotate, the rotating pipe 15 can drive the supporting rod 1602 to rotate when rotating, so that the, make screw rod 6 rotate to make second displacement plate 3 be close to tubular workpiece 18 and polish, the knob on rotary base 1 right side in the polishing makes screw rod 6 rotate and drives first displacement plate 2 to the left side displacement of base 1, can polish tubular workpiece 18 of different lengths, has solved sports equipment burnishing device function singleness on the existing market, and polishing efficiency is low, and can not satisfy the problem of the polishing of tubular workpiece 18 of different diameters, different lengths and different wall thicknesses.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a burnishing device is used in sports equipment production, includes base (1), its characterized in that: the front sliding connection of base (1) has first displacement board (2), the top sliding connection of first displacement board (2) has second displacement board (3), the top fixedly connected with polishing subassembly body (4) of second displacement board (3), the back of polishing subassembly body (4) is provided with fixed subassembly (8), fixed subassembly (8) are including first electric putter (9), motor (10) and two clamping part (11), the first supporting seat (12) of right side fixedly connected with at base (1) top, the left side sliding connection at base (1) top has second supporting seat (13), the left side fixed connection of the right side of first electric putter (9) and second supporting seat (13), the bottom fixed connection of the top of first supporting seat (12) and motor (10), two the bottom of clamping part (11) respectively with the top of first supporting seat (12) and second supporting seat (13) solid fixed connection Decide the connection, two the outside cover of the relative one side of clamping component (11) is equipped with tubulose work piece (18), two clamping component (11) all includes support frame (14), rotating tube (15) and supporting component (16), two the bottom of support frame (14) is fixed connection respectively in the top of first supporting seat (12) and second supporting seat (13), two relative one side of rotating tube (15) is run through respectively and is rotated and connect in the relative one side of two support frames (14), the right side of rotating tube (15) on right side and the left side of motor (10) are passed through shaft coupling fixed connection, two the outside of supporting component (16) all sliding connection in the inside of two rotating tubes (15), two the top and the bottom of supporting component (16) run through the top and the bottom of two rotating tubes (15) respectively and with the top and the bottom contact of tubulose work piece (18) inner wall, two equal fixedly connected with integrated into one piece's of the back of the body one side of supporting component (16) promotes piece (17), two the top and the bottom of promoting piece (17) all run through and sliding connection in the outside of two rotating tubes (15), two the equal fixedly connected with second electric putter (19) in front of rotating tubes (15), two relative one side of second electric putter (19) respectively with two one side fixed connection that carry on the back of the body that promote piece (17).

2. A polishing device for use in the production of sporting equipment as recited in claim 1, wherein: support assembly (16) include catch bar (1601), catch bar (1601) sliding connection is in the inside of rotating-tube (15), one side and the back fixed connection who promotes piece (17) that tubular work piece (18) were kept away from in catch bar (1601), the top and the bottom of catch bar (1601) all articulate there are two bracing pieces (1602), four one side that catch bar (1601) were kept away from in bracing piece (1602) all runs through and extends to the outside of rotating-tube (15), four one side that catch bar (1601) were kept away from in bracing piece (1602) all articulates there is supporting shoe (1603), four one side that bracing piece (1602) were kept away from in supporting shoe (1603) all contacts with the inner wall of tubular work piece (18).

3. A polishing device for use in the production of sporting equipment as recited in claim 2, wherein: one side of the support block (1603) far away from the rotating pipe (15) is fixedly connected with an anti-slip pad, and the support block (1603) is a magnetic adsorption material.

4. A polishing device for use in the production of sporting equipment as recited in claim 1, wherein: two the equal fixedly connected with locating plate (1501) in the back of the body side of rotating tube (15), two the opposite side of locating plate (1501) and the back of the body side contact of two support frames (14).

5. A polishing device for use in the production of sporting equipment as recited in claim 1, wherein: sliding tray (5), two have all been seted up at the top of base (1) and the top of first displacement board (2) the inside of sliding tray (5) is all rotated and is connected with screw rod (6), two one side that polishing subassembly body (4) was kept away from in screw rod (6) runs through respectively and extends to the outside of base (1) and first displacement board (2), two the equal threaded connection in outside of screw rod (6) has slider (7), two the top of slider (7) is fixed connection in the bottom of first displacement board (2) and second displacement board (3) respectively.

6. A polishing device for use in the production of sports equipment, according to claim 5, wherein: two equal fixedly connected with knob in one side that polishing subassembly body (4) was kept away from in screw rod (6), the back fixedly connected with control panel at base (1) top.