Medicine washing machine capable of turning over materials
By designing a washing machine with a tilting mechanism, and utilizing an adjustable round rod and herb storage components, combined with a horizontal spraying mechanism, the problem of the non-adjustable rinsing angle in existing washing machines is solved, achieving a thorough rinsing effect for herbs from all angles.
Patent Information
- Application Number
- CN202520183749.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing herb washing machines cannot easily adjust the spray angle when cleaning plant herbs, resulting in unsatisfactory washing effects.
A reversible herb washing machine was designed. Through an adjustable round rod and herb storage component, combined with a horizontal spraying mechanism, the herb storage component can be flipped and its angle limited and fixed, ensuring that the herbs can be fully washed from all angles.
This method ensures thorough rinsing of the medicinal materials from all angles, improving the cleaning effect.
Smart Images

Figure CN223801069U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a medicine washing machine technical field especially a kind of medicine washing machine of material turning. BACKGROUND
[0002] Traditional Chinese medicine is mainly composed of plant medicine, animal medicine and mineral medicine. Because plant medicine accounts for most of traditional Chinese medicine, traditional Chinese medicine is also called Chinese herbal medicine. In the processing and preparation process of plant medicine, there is a process of washing medicine to clean impurities and dust from medicinal materials.
[0003] The medicine washing machine currently used for plant medicine usually uses spray flushing to clean plant medicine, and the flushing angle cannot be conveniently adjusted, resulting in unsatisfactory flushing effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of medicine washing machine of material turning, with the advantage that the turning angle of medicinal material storage part can be conveniently adjusted, ensuring that plant medicine can be washed clean at each angle, solving the technical problem that the medicine washing machine currently used for plant medicine usually uses spray flushing to clean plant medicine, and the flushing angle cannot be conveniently adjusted, resulting in unsatisfactory flushing effect.
[0005] The utility model provides a kind of medicine washing machine of material turning, comprising:
[0006] The left end of the horizontal tank body is designed as an opening;
[0007] A cover plate is screwed to the left end opening of the horizontal tank body;
[0008] A first circular rod is transversely penetrated in the middle of the right end of the horizontal tank body, and a second circular rod is transversely penetrated in the middle of the cover plate;
[0009] A medicinal material storage part is fixedly connected to the inner side end of the first circular rod and the second circular rod, and is located in the middle of the inner cavity of the horizontal tank body;
[0010] A transverse spray mechanism extends to the upper end of the inner cavity of the horizontal tank body;
[0011] A valve-equipped drain pipe is fixedly connected to the middle of the bottom surface of the horizontal tank body;
[0012] A circular rod rotation angle limiting device is symmetrically fixedly assembled to the right end of the horizontal tank body and the left end of the cover plate;
[0013] The first circular rod is located in the circular rod rotation angle limiting device on the right side, and the second circular rod is located in the circular rod rotation angle limiting device on the left side;
[0014] A controller is electrically connected to the circular rod rotation angle limiting devices on both sides.
[0015] As a further optimization scheme, in order to limit the fixing of the second circular rod and the first circular rod after rotating to the required angle, thereby limiting the turning angle of the medicine storage part, the left circular rod rotating angle limiting device comprises:
[0016] Two vertical plates are arranged in parallel front and back, and the two vertical plates are fixedly connected to the left end of the cover plate;
[0017] A connecting rod is fixedly assembled vertically on the inner side of the vertical plate, and the inner side of the connecting rod is fixedly assembled with a ring body;
[0018] Electric push rods are fixedly assembled on the upper and lower surfaces of the ring body, and the telescopic ends of the electric push rods penetrate through the outer walls of the adjacent ring bodies;
[0019] The telescopic end of the electric push rod is fixedly assembled with an arc-shaped clamping plate, and the arc-shaped clamping plates on both sides are clamped on the outer wall of the second circular rod.
[0020] As a further optimization scheme, in order to facilitate the storage of medicinal materials, store single-layer medicinal materials, and rotate the medicine storage part as a whole with the second circular rod, the medicine storage part comprises:
[0021] A rectangular iron mesh groove is fixedly connected to the right end of the second circular rod;
[0022] The right end of the rectangular iron mesh groove is fixedly connected to the left end of the first circular rod;
[0023] A rectangular frame is fixedly attached to the bottom surface of the rectangular iron mesh groove, and the magnetic sheet is fixedly attached to the upper edge of the rectangular iron mesh groove;
[0024] The inner wall of the rectangular frame is fixedly assembled with a mesh plate.
[0025] As a further optimization scheme, in order to spray and wash the medicine storage part that can rotate, and clean the medicine stored in the medicine storage part, the horizontal spraying mechanism comprises:
[0026] The left end of the horizontal pipe is designed as a sealed port, and the right end of the horizontal pipe is fixedly connected with a liquid inlet pipe;
[0027] The bottom surface of the horizontal pipe is uniformly and vertically fixedly connected with a liquid outlet pipe along the length direction, and the liquid outlet pipe is fixedly connected with the top surface of the horizontal tank;
[0028] The lower end of the liquid outlet pipe extends to the upper end of the inner cavity of the horizontal tank, and the lower end of the liquid outlet pipe is fixedly connected with a spray head.
[0029] As a further optimization scheme, in order to provide accurate scales and facilitate the determination of the rotating angle of the second circular rod and the medicine storage part, a scale groove is formed in the middle of the left side of the cover plate, and the scale grooves are evenly distributed at intervals of 45 degrees.
[0030] As a further optimization scheme, in order to provide a reference, it is more convenient to observe the rotation angle of the second circular rod, so as to judge the rotation angle of the medicine storage part, the second circular rod is vertically fixed with a pointer, and the pointer is attached to the left side of the cover plate.
[0031] As a further optimization scheme, in order to facilitate the gripping of the second circular rod to rotate the medicine storage part, the second circular rod is integrally formed with a gripping ring at the left end.
[0032] As a further optimization scheme, in order to stably support the device, the bottom surface of the horizontal tank body is fixedly provided with support seats on the left and right sides, which comprise:
[0033] The support plate is fixedly provided on the bottom surface of the horizontal tank body.
[0034] The horizontal plate is fixedly provided at the lower edge of the side wall of the support plate, and the mounting through holes are uniformly distributed on the horizontal plate.
[0035] As a further optimization scheme, in order to make the first circular rod and the second circular rod rotate more smoothly, the horizontal tank body and the cover plate are both provided with through holes in the middle of the right end and the middle, and the through holes are fixedly provided with sealing bearings;
[0036] The first circular rod and the second circular rod are inserted into the same side of the sealing bearing.
[0037] As a further optimization scheme, in order to facilitate the installation and disassembly of the cover plate, handles are fixedly provided on the front and rear side walls of the cover plate.
[0038] The utility model discloses an improved medicine washing machine with turnover function, which has the following improvements and advantages compared with the prior art.
[0039] The device is opened by the cover plate, and the second circular rod, the medicine storage part and the first circular rod are removed from the horizontal tank body together, the single-layer plant medicine to be cleaned is loaded into the medicine storage part, and after loading, the cover plate, the second circular rod, the medicine storage part and the first circular rod are reset by reverse operation, the medicine storage part is supported by the first circular rod and the second circular rod, the medicine storage part is turned over by gripping the second circular rod, the current angle of the first circular rod and the second circular rod is limited and fixed by the circular rod rotation angle limiting device after turning over to the required angle, and the medicine storage part connected with the first circular rod and the second circular rod is limited and fixed by the first circular rod and the second circular rod, the medicine storage part is conveniently adjusted, and the spraying and flushing of the upper horizontal spraying mechanism are combined to ensure that the plant medicine can be washed clean at each angle, and a more ideal washing effect is realized. BRIEF DESCRIPTION OF DRAWINGS
[0040] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments or the prior art. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0041] Figure 1 It is a structural schematic diagram of the present application;
[0042] Figure 2 It is a structural schematic diagram of the internal structure of the horizontal tank body of the present application;
[0043] Figure 3 It is a structural schematic diagram of the round rod rotation angle limiting device of the present application;
[0044] Figure 4 It is a structural schematic diagram of the medicine storage of the present application;
[0045] Figure 5 It is a structural schematic diagram of the horizontal spraying mechanism of the present application.
[0046] Explanation of reference signs:
[0047] 1-horizontal tank body, 2-cover plate, 21-handle, 3-first round rod, 4-second round rod, 5-medicine storage, 51-rectangular iron mesh groove, 52-rectangular frame, 53-magnetic sheet, 54-mesh plate, 6-horizontal spraying mechanism, 61-horizontal pipe, 62-liquid inlet pipe, 63-liquid outlet pipe, 64-sprayer, 7-valve-equipped drain pipe, 8-round rod rotation angle limiting device, 81-stand plate, 82-connecting rod, 83-ring body, 84-electric push rod, 85-arc-shaped clamping plate, 9-scale groove, 10-controller, 11-needle, 12-gripping ring, 13-supporting seat, 131-supporting plate, 132-cross plate, 133-mounting through hole, 14-sealing bearing. DETAILED DESCRIPTION
[0048] The technical solutions of the present application will be described below in conjunction with embodiments. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0049] In the description of the utility model, need understanding is, the term "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and so on indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.
[0050] In the description of the utility model, need understanding is, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0051] Please refer to Figures 1-5 The utility model provides technical scheme: a medicine washing machine of turning over material, including:
[0052] The left end of horizontal tank body 1 is designed as an opening;
[0053] The left end of horizontal tank body 1 is designed as an opening;
[0054] The right end of horizontal tank body 1 is designed as an opening;
[0055] The right end of horizontal tank body 1 is designed as an opening;
[0056] By opening the cover plate 2, the second circular rod 4, the medicine storage part 5 and the first circular rod 3 are removed from the horizontal tank body 1 together, the first circular rod 3 is pulled out from the right end of the horizontal tank body 1, the single-layer plant medicine to be cleaned is loaded into the medicine storage part 5, and the mesh size and the overall thickness of the outer wall of the medicine storage part 5 are cast according to the requirements, so as to be suitable for cleaning of plant medicines of different sizes, and the scheme is suitable for overall cleaning of large plant medicines, the mesh size is larger, and the flushing efficiency is higher;
[0057] The transverse spraying mechanism 6 extends to the upper end of the inner cavity of the horizontal tank body 1;
[0058] The valve drain pipe 7 is fixedly connected to the middle part of the bottom surface of the horizontal tank body 1, and the valve drain pipe 7 is opened to drain the waste water generated by flushing the medicine;
[0059] The right end of the horizontal tank body 1 and the left end of the cover plate 2 are symmetrically fixedly assembled with the circular rod rotation angle limiting device 8;
[0060] The first circular rod 3 is located in the right circular rod rotation angle limiting device 8, and the second circular rod 4 is located in the left circular rod rotation angle limiting device 8;
[0061] By grasping the second circular rod 4, the medicine storage part 5 can be turned over, and after being turned over to the required angle, the current angle of the first circular rod 3 and the second circular rod 4 can be limited and fixed by the circular rod rotation angle limiting device 8, so as to limit and fix the medicine storage part 5 connected with the first circular rod 3 and the second circular rod 4 which rotate together;
[0062] The controller 10 is electrically connected with the two circular rod rotation angle limiting devices 8, and the two circular rod rotation angle limiting devices 8 can be synchronously controlled by the controller 10, so as to conveniently control whether the circular rod rotation angle limiting device 8 is limited.
[0063] In some embodiments, in order to limit and fix the second circular rod 4 and the first circular rod 3 after being rotated to the required angle, and then limit and fix the turning angle of the medicine storage part 5, the left circular rod rotation angle limiting device 8 comprises:
[0064] The vertical plates 81 are parallelly distributed front and back, and the two vertical plates 81 are fixedly connected to the same side of the left end of the cover plate 2;
[0065] The connecting rods 82 are fixedly assembled on the inner side surfaces of the vertical plates 81, and the ring bodies 83 are fixedly assembled on the inner side ends of the connecting rods 82;
[0066] The electric push rods 84 are fixedly assembled on the upper and lower surfaces of the ring bodies 83, and the telescopic ends of the electric push rods 84 penetrate through the outer walls of the adjacent ring bodies 83;
[0067] The telescopic end of the electric push rod 84 is fixedly assembled with an arc-shaped clamping plate 85, and the two arc-shaped clamping plates 85 are clamped to the outer wall of the second circular rod 4.
[0068] The upper and lower electric push rods 84 are connected to an external power source and controlled by the controller 10 to work synchronously, the extension of the two electric push rods 84 drives the arc-shaped clamping plate 85 to clamp and fix the second circular rod 4, and the retraction of the two electric push rods 84 drives the arc-shaped clamping plate 85 to disengage from the second circular rod 4 to release the fixing of the second circular rod 4.
[0069] In some embodiments, in order to conveniently accommodate medicinal materials therein, the medicinal material accommodating part 5 can accommodate single-layer medicinal materials, and the medicinal material accommodating part 5 can rotate with the second circular rod 4 as a whole, and the medicinal material accommodating part 5 comprises:
[0070] A rectangular iron mesh groove 51 is fixedly connected to the right end of the second circular rod 4;
[0071] The right end of the rectangular iron mesh groove 51 is fixedly connected to the left end of the first circular rod 3;
[0072] A rectangular frame 52 is provided with a magnetic sheet 53 fixedly attached to the bottom surface, and the magnetic sheet 53 is fixedly attached to the upper edge of the rectangular iron mesh groove 51;
[0073] The inner wall of the rectangular frame 52 is fixedly assembled with a mesh plate 54, in use, the rectangular iron mesh groove 51 and the rectangular frame 52 are separated by overcoming the magnetic attraction, single-layer medicinal materials are loaded into the rectangular iron mesh groove 51, in this embodiment, large plant medicinal materials are loaded, then the rectangular frame 52 is buckled, and the upper magnetic sheet 53 is fixedly attached to the upper edge of the rectangular iron mesh groove 51, when the medicinal material accommodating part 5 is turned over as a whole, the medicinal materials will not fall out of the medicinal material accommodating part 5.
[0074] In some embodiments, in order to spray and wash the medicinal material accommodating part 5, the transverse spraying mechanism 6 comprises:
[0075] A horizontal pipe 61 is designed with a sealed left end, and the right end of the horizontal pipe 61 is fixedly connected to a liquid inlet pipe 62, and the liquid inlet pipe 62 is connected to an external water source to supply water for spraying;
[0076] The bottom surface of the horizontal pipe 61 is fixedly and vertically connected to a liquid outlet pipe 63 along the length direction, and the liquid outlet pipe 63 is fixedly connected to the top surface of the horizontal tank 1;
[0077] The lower end of the liquid outlet pipe 63 extends to the upper end of the inner cavity of the horizontal tank 1, and the lower end of the liquid outlet pipe 63 is fixedly connected to a spray head 64, and the uniformly distributed liquid outlet pipes 63 cooperate with the spray heads 64 to ensure the overall coverage of the medicinal material accommodating part 5.
[0078] In some embodiments, in order to provide accurate scale, facilitate the determination of the rotation angle of the second circular rod 4 and the medicinal material receiving part 5, the left side of the cover plate 2 is provided with a scale groove 9, and the scale grooves 9 are uniformly distributed at intervals of 45 degrees.
[0079] In some embodiments, in order to provide a reference, the pointer 11 and the scale groove 9 are used together, which is more convenient for observing the rotation angle of the second circular rod 4, so as to determine the rotation angle of the medicinal material receiving part 5. The second circular rod 4 is vertically fixedly assembled with a pointer 11, and the pointer 11 is attached to the left side of the cover plate 2.
[0080] In some embodiments, in order to facilitate the rotation of the second circular rod 4 to the medicinal material receiving part 5, the second circular rod 4 is integrally formed with a gripping ring 12 at the left end.
[0081] In some embodiments, in order to stably support the device, the bottom surface of the horizontal tank body 1 is fixedly assembled with support seats 13 on both sides, which include:
[0082] The support plate 131 is fixedly assembled on the bottom surface of the horizontal tank body 1.
[0083] The support plate 131 is fixedly assembled with a horizontal plate 132 at the lower edge of the side wall, and the horizontal plate 132 is uniformly provided with mounting through holes 133. The device can be fixed to the ground or other platform by inserting a rod or bolt through the mounting through holes 133.
[0084] In some embodiments, in order to make the first circular rod 3 and the second circular rod 4 rotate more smoothly, the right end of the horizontal tank body 1 and the middle of the cover plate 2 are provided with through holes, and the through holes are fixedly assembled with sealed bearings 14.
[0085] The first circular rod 3 and the second circular rod 4 are inserted into the same side sealed bearing 14.
[0086] In some embodiments, in order to facilitate the installation and disassembly of the cover plate, the front and rear side walls of the cover plate 2 are fixedly assembled with handles 21. Gripping the handles 21 on both sides facilitates the rotation of the cover plate 2 for disassembly or installation.
[0087] Working principle:
[0088] By opening the cover plate 2, the second circular rod 4, the medicinal material receiving part 5 and the first circular rod 3 are removed from the horizontal tank body 1 together. The first circular rod 3 is extracted from the right end of the horizontal tank body 1. The single-layer plant medicinal materials to be cleaned are loaded into the medicinal material receiving part 5. The mesh size and overall thickness of the outer wall of the medicinal material receiving part 5 are produced according to the requirements, so as to be suitable for the cleaning of plant medicinal materials of different sizes. The present scheme is suitable for the overall cleaning of large plant medicinal materials, and the mesh size is larger, and the flushing efficiency is higher.
[0089] After loading, the reverse operation resets the cover plate 2, the second round rod 4, the medicinal material storage part 5 and the first round rod 3, supports the medicinal material storage part 5 through the first round rod 3 and the second round rod 4, and can drive the medicinal material storage part 5 to flip by gripping the second round rod 4, limits and fixes the current angle of the first round rod 3 and the second round rod 4 through the round rod rotation angle limiting device 8 after flipping to the required angle, and then limits and fixes the medicinal material storage part 5 connected with the first round rod 3 and the second round rod 4 for rotating together, the medicinal material storage part 5 can be conveniently adjusted in the flipping angle, and cooperates with the spraying and flushing of the upper transverse spraying mechanism 6 to ensure that each angle of the plant medicinal materials can be flushed clean.
[0090] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A turnable medicine washing machine, characterized in that, Include: Horizontal tank (1), the left end opening design; The horizontal tank (1) left end opening is screwed with the cover plate (2); The horizontal tank (1) right end middle part is transversely penetrated by the first round rod (3), and the cover plate (2) middle part is transversely penetrated by the second round rod (4); The first round rod (3) and the second round rod (4) inner side end are fixedly connected with the medicinal material storage part (5), which is located in the horizontal tank (1) inner cavity middle part; Transverse spraying mechanism (6), the lower end extends to the horizontal tank (1) inner cavity upper end; The bottom surface of the horizontal tank (1) middle part is fixedly connected with the valve drain pipe (7); The right end of the horizontal tank (1) and the left end of the cover plate (2) are symmetrically fixedly assembled with the round rod rotation angle limiting device (8); The first round rod (3) is located in the right side of the round rod rotation angle limiting device (8), and the second round rod (4) is located in the left side of the round rod rotation angle limiting device (8); The controller (10) is electrically connected with the round rod rotation angle limiting device (8) on both sides respectively.
2. The machine according to claim 1, wherein, The left side of the round rod rotation angle limiting device (8) comprises: Two vertical plates (81) are parallelly distributed front and back, and the vertical plates (81) on both sides are fixedly connected to the left end of the cover plate (2) on the same side; The inner side surface of the vertical plate (81) is vertically fixedly assembled with a connecting rod (82), and the inner side end of the connecting rod (82) on both sides is fixedly assembled with a ring body (83); The upper and lower surfaces of the ring body (83) are fixedly assembled with electric push rods (84), and the telescopic ends of the electric push rods (84) penetrate through the outer walls of the adjacent ring bodies (83); The telescopic end of the electric push rod (84) is fixedly assembled with an arc-shaped clamping plate (85), and the arc-shaped clamping plates (85) on both sides are clamped to the outer wall of the second round rod (4).
3. The machine according to claim 1, wherein, The medicinal material storage part (5) comprises: The left end middle part of the rectangular iron mesh groove (51) is fixedly connected with the right end of the second round rod (4); The right end middle part of the rectangular iron mesh groove (51) is fixedly connected with the left end of the first round rod (3); A rectangular frame (52) is fixedly attached with a magnetic sheet (53) on the bottom surface, and the magnetic sheet (53) is fixedly attached to the upper edge of the rectangular iron mesh groove (51); The inner wall of the rectangular frame (52) is fixedly assembled with a mesh plate (54).
4. The machine according to claim 1, wherein, The transverse spraying mechanism (6) comprises: The left end of the horizontal pipe (61) is sealed, and the right end of the horizontal pipe (61) is fixedly connected with a liquid inlet pipe (62); The bottom surface of the horizontal pipe (61) is uniformly and vertically fixedly connected with a liquid outlet pipe (63) along the length direction, and the liquid outlet pipe (63) is fixedly connected with the top surface of the horizontal tank (1); The lower end of the liquid outlet pipe (63) extends to the upper end of the inner cavity of the horizontal tank (1), and the lower end of the liquid outlet pipe (63) is fixedly connected with a spray head (64).
5. The machine according to claim 1, wherein, The left side surface middle part of the cover plate (2) is circumferentially provided with a scale groove (9), and the scale grooves (9) are uniformly distributed at intervals of 45 degrees.
6. The machine according to claim 1, wherein, The outer wall of the second round rod (4) is vertically fixedly assembled with a pointer (11), and the pointer (11) is attached to the left side surface of the cover plate (2).
7. The machine according to claim 1, wherein, The left end of the second round rod (4) is integrally formed with a gripping ring (12).
8. The machine of claim 1 wherein, The bottom surface of the horizontal tank (1) is fixedly assembled with support seats (13) on both sides, which comprises: Supporting plate (131) is fixedly assembled to the bottom surface of the horizontal tank body (1); The horizontal plate (132) is fixedly assembled at the lower edge of the side wall of the supporting plate (131), and the mounting through holes (133) are uniformly distributed on the horizontal plate (132).
9. The machine according to claim 1, wherein, The horizontal tank body (1) is provided with a through hole at the middle of the right end and the middle of the cover plate (2), and the sealing bearing (14) is fixedly assembled in the through hole. The first circular rod (3) and the second circular rod (4) are inserted into the same side sealing bearing (14).
10. The machine according to claim 1, wherein, The handle (21) is fixedly assembled to the front and rear side walls of the cover plate (2).