Hole plug for mounting stainless steel corrugated pipe

Abstract

The utility model discloses a hole plug for installing a stainless steel corrugated pipe, which comprises two half bodies with matching grooves capable of being matched with the stainless steel corrugated pipe, a top cover structure is arranged at the tops of the two half bodies, and when the two half bodies are closed, the matching grooves on the two half bodies are connected to form a clamping cavity for fixing the stainless steel corrugated pipe. The top cover structures on the two half bodies are butted with each other to form a top cover for sealing the pipeline mounting hole; according to the utility model, the pipeline mounting hole can be sealed, the stainless steel corrugated pipe is fixed, dust, liquid or foreign matters are prevented from entering a cabinet at the bottom of the cooking bench, abrasion of the stainless steel corrugated pipe is reduced, and user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipeline installation, in particular to a hole plug used for installing a stainless steel corrugated pipe. Background Art

[0002] When a new user opens gas, the gas company needs to arrange installation personnel to come to the user's home to open it to ensure gas safety; the stove of general users is placed on the stove, and a cabinet is set at the bottom of the stove to store cooking utensils and keep the stove clean and beautiful; a stainless steel bellows needs to be connected between the gas meter and the stove. In order to keep the stove clean and beautiful, the stainless steel bellows needs to pass through the cabinet first, and then pass through the stove to connect to the stove to reduce the exposure of the stainless steel bellows; for this reason, a pipeline installation hole needs to be opened on the stove for the stainless steel bellows to pass through the stove; according to the gas pipeline installation requirements, the stainless steel bellows connected to the stove needs to use a threaded joint, the outer diameter of the threaded joint is larger than the outer diameter of the stainless steel bellows, The outer diameter of the threaded joint is more than 3 cm, while the outer diameter of the stainless steel bellows is 1 to 1.5 cm. In order to ensure that the threaded joint of the stainless steel bellows can pass through the stove, the diameter of the pipe installation hole needs to be more than 3 cm, resulting in a large gap between the stainless steel bellows and the pipe installation hole after installation, allowing dust, liquid or foreign matter in the kitchen to enter the cabinet through the gap. Users need to frequently clean the cabinet and the cooking utensils stored inside the cabinet, affecting the user experience. In addition, the stainless steel bellows is prone to shaking in the pipe installation hole and is prone to scratching the pipe installation hole, causing the outer surface of the stainless steel bellows to be easily worn, posing certain gas safety hazards. Utility Model Content

[0003] The purpose of the utility model is to provide a hole plug for installing a stainless steel bellows, which can close the pipeline installation hole and fix the stainless steel bellows, thereby improving the user experience and reducing the wear of the stainless steel bellows.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A hole plug for installing a stainless steel corrugated pipe comprises two half bodies with matching grooves which can match with the stainless steel corrugated pipe, and a top cover structure is arranged on the top of the two half bodies. When the two half bodies are closed, the matching grooves on the two half bodies are connected to form a clamping cavity for fixing the stainless steel corrugated pipe, and the top cover structures on the two half bodies are connected to each other to form a top cover for closing the pipe installation hole.

[0006] By providing mating grooves on two half bodies, a clamping cavity can be formed to clamp and fix the stainless steel corrugated pipe. Moreover, after the two half bodies are closed, the inner side walls of the half bodies can fit against the outer peripheral surface of the stainless steel corrugated pipe, avoiding the generation of gaps. At the same time, by providing a top cover structure on the top of the half body, a top cover can be formed to close the pipe installation hole, preventing dust, liquid or foreign objects from entering the cabinet at the bottom of the stove through it.

[0007] Based on the above technical solution, the present utility model can be improved as follows:

[0008] Further, the top cover structure is an edge portion radially extending from the top edge of the half body, and the edge portion extends out of the outer side wall of the half body; fasteners are provided on the edge portions of the two docking ends of the half body, and the fasteners are used to lock after the edge portions of the two half bodies are docked with each other.

[0009] Further, one connection end of the two half bodies is hinged to each other through a hinge member, and the other connection ends of the two half bodies are docked with each other and locked by a fastener.

[0010] By providing a hinge member to connect one connection end of the two half bodies and a fastener to lock the other connection end of the two half bodies, the two half bodies can be closed in a flipping manner. The two half bodies are pre-paired and combined to avoid the two half bodies being scattered and lost. The installer can complete the closing of the two half bodies with one hand, improving the installation efficiency.

[0011] Further, the top cover structure is a half cover body detachably provided on the top of the half body, and fasteners are provided on the two docking ends of the half cover body, and the fasteners are used to lock after the two half cover bodies are docked with each other.

[0012] By providing a detachable half cover body, not only can the pipe installation hole be closed, but also since the top cover is exposed outside the pipe installation hole and is prone to breakage or accumulation of dirt, the user can replace the half cover body separately without replacing the half body, which is convenient for daily maintenance and reduces the maintenance cost at the same time.

[0013] Further, the connecting member includes a hook and a mating hole. The hook is provided on the bottom surface of the half cover body, and the mating hole is provided on the inner side wall of the half body near the top. By the mutual cooperation of the hook on the half cover body and the mating hole on the half body, the top cover formed by the docking of the two half cover bodies and the plug body formed by the closing of the two half bodies are fixedly connected to each other.

[0014] Further, a guiding groove is further provided on the inner side wall of the half body. One end of the guiding groove communicates with the top surface of the half body, and the other end of the guiding groove extends vertically and extends to communicate with the mating hole on the half body; when the top cover and the plug body are fixedly connected to each other, the buckle on the half cover body can slide along the guiding groove on the half body and slide to cooperate with the mating hole on the half body.

[0015] Further, barbs for abutting against the inner wall of the pipe installation hole are provided on the outer side wall of the half body, and the abutting portion of the barb faces the top cover structure. In the natural extended state, the distance between the abutting portion of the barb and the axis of the half body is greater than the radius of the pipe installation hole.

[0016] By providing the barbs, the radial movement of the plug body in the pipe installation hole can be restricted, preventing radial wobbling of the hole plug after installation, and at the same time meeting the installation requirements of pipe installation holes of different sizes.

[0017] Further, an elastically deformable locking portion is provided at the bottom end of the half body, and the locking portion protrudes from the outer side wall of the half body; when the plug body formed by docking two half bodies is inserted into the pipe installation hole, the locking portion of the half body is in abutting cooperation with the bottom surface of the stove top.

[0018] By providing the locking portion, after the plug body formed by docking two half bodies is inserted into the pipe installation hole, the locking portion on the half body is in abutting cooperation with the bottom surface of the stove top to seal the bottom of the pipe installation hole, and the locking portion on the half body and the top cover cooperate with each other to restrict the axial movement of the plug body.

[0019] Further, the distance between the end of the locking portion on the half body and the axis of the half body is less than the distance between the abutting portion of the barb and the axis of the half body in the natural extended state.

[0020] Further, an elastic gasket is provided on the groove surface of the mating groove of the half body.

[0021] By providing the elastic gasket, the radial clamping force generated on the periphery of the stainless steel bellows is further increased, avoiding the formation of a gap between the plug body formed after docking two half bodies and the stainless steel bellows, and further improving the airtightness of the hole plug.

[0022] Compared with the prior art, the technical solution of the present utility model has the following advantages:

[0023] The present utility model clamps and fixes the stainless steel bellows by two half bodies, avoiding the shaking and abrasion of the stainless steel bellows, reducing the gas use safety risk. Corresponding mating grooves are provided on the half bodies, and the inner side walls of the half bodies can be fitted with the outer peripheral surface of the stainless steel bellows to avoid the formation of gaps; at the same time, a top cover is formed by the top cover structures provided at the tops of the two half bodies, which can seal the pipe installation hole, thereby preventing dust, liquid or foreign objects from entering the cabinet at the bottom of the stove top and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0025] Figure 1 It is a schematic structural diagram of the hole plug for installing the stainless steel bellows in the first embodiment;

[0026] Figure 2 Front view of the hole plug for installing the stainless steel corrugated pipe in the first embodiment;

[0027] Figure 3 For Figure 2 Partial enlarged view of location A of

[0028] Figure 4 Top view of the hole plug for installing the stainless steel corrugated pipe in the first embodiment;

[0029] Figure 5 Front view of the hole plug for installing the stainless steel corrugated pipe in the second embodiment;

[0030] Figure 6 Rear view of the hole plug for installing the stainless steel corrugated pipe in the second embodiment;

[0031] Figure 7 For Figure 6 Partial enlarged view of location B of

[0032] Markings on the drawings: 1 - half body, 1a - edge part, 1b - locking part, 2 - elastic gasket, 3 - buckle, 4 - clamping groove, 5 - barb, 5a - connecting part, 5b - abutting part, 6 - hinge, 7 - clamping block, 8 - clamping hole, 9 - half cover body, 10 - hook, 11 - mating hole, 12 - guiding groove. Specific embodiments

[0033] The following further describes the specific embodiments of the present invention with reference to the accompanying drawings. The descriptions of these embodiments are used to help understand the present invention, but do not limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] Embodiment 1

[0035] Refer to Figures 1 to 4 , this embodiment relates to a hole plug for installing a stainless steel corrugated pipe. The hole plug includes two mutually butting half bodies 1. The two half bodies 1 are respectively provided with mating grooves on the butting sides for mating with the stainless steel corrugated pipe during butting; when the two half bodies 1 are butted, the mating groove on one half body 1 is connected to the mating groove on the other half body 1 to form a clamping cavity, and the stainless steel corrugated pipe is fixed through this clamping cavity.

[0036] Specifically, both of the two half-bodies 1 are semi-circular tubular structures. The half-body 1 has a semi-circular pipe wall, and the semi-circular pipe wall encloses a mating groove. Openings communicating with the mating groove are formed at both axial ends of the half-body 1. For the convenience of description, the two half-bodies 1 are respectively named the first half-body and the second half-body. When the two half-bodies 1 are butted, a circular tubular plug body is formed. The groove surface of the mating groove on the first half-body fits with the outer peripheral surface of one side of the stainless steel bellows, and the groove surface of the mating groove on the second half-body fits with the outer peripheral surface of the other side of the stainless steel bellows. The mating grooves on the two half-bodies 1 are butted to form a circular tubular clamping cavity, and the clamping cavity clamps the stainless steel bellows, capable of generating a radial clamping force on the circumferential side of the stainless steel bellows to fix the stainless steel bellows.

[0037] It should be noted that the radius of the mating groove on the two half-bodies 1 should be slightly smaller than the radius of the stainless steel bellows, so that the radius of the clamping cavity inside the plug body formed after the two half-bodies 1 are butted is slightly smaller than the radius of the stainless steel bellows, ensuring that the groove surface of the mating groove on the half-body 1 can fit with the outer peripheral surface of the stainless steel bellows. This can not only form a clamping force on the stainless steel bellows, avoid the shaking of the stainless steel bellows, and reduce the safety risk, but also prevent a gap from being formed between the plug body formed after the two half-bodies 1 are butted and the stainless steel bellows, preventing dust, liquid or foreign objects from entering the cabinet at the bottom of the stove through this gap, and improving the tightness of the hole plug. Preferably, the radius of the mating groove on the half-body 1 is r, and the radius of the stainless steel bellows is R, and r = 0.8 - 0.95R.

[0038] In this embodiment, elastic gaskets 2 are arranged on the groove surfaces of the mating grooves of the two half-bodies 1. When the two half-bodies 1 are butted, the outer side surface of the elastic gasket 2 fits with the groove surface of the mating groove, and the inner side surface of the elastic gasket 2 fits with the outer peripheral surface of the stainless steel bellows. The elastic gasket 2 compresses to generate an elastic force to further increase the radial clamping force generated on the circumferential side of the stainless steel bellows, avoid a gap from being formed between the plug body formed after the two half-bodies 1 are butted and the stainless steel bellows, and further improve the tightness of the hole plug. In this embodiment, the elastic gasket 2 can be a rubber gasket or a silicone gasket.

[0039] Edge portions 1a are provided at the tops of the two half-bodies 1. The edge portions 1a extend out of the outer side of the semi-circular pipe wall of the half-body 1. By butting the two half-bodies 1, the edge portions 1a on the two half-bodies 1 can be butted with each other to form a top cover, and the top cover is used to close the pipe installation hole after the plug body is inserted, so as to block dust, liquid or foreign objects from entering the cabinet at the bottom of the stove through the gap formed between the plug body and the pipe installation hole, and improve the tightness of the hole plug.

[0040] Specifically, the edge portion 1a on the half body 1 extends radially from the top edge of the half body 1. The edge portion 1a on the half body 1 is in a semi-circular ring shape and has a first docking end and a second docking end. When the two half bodies 1 are docked, the first docking end of the edge portion 1a of the first half body is docked with the second docking end of the edge portion 1a of the second half body, and the second docking end of the edge portion 1a of the first half body is docked with the first docking end of the edge portion 1a of the second half body to form a circular top cover. After the plug body is inserted into the pipe installation hole, the top cover is in a blocking fit with the top surface of the cooking range to limit the movement of the plug body along the gravity direction, prevent the plug body from detaching from the bottom of the pipe installation hole, and at the same time seal the top of the pipe installation hole.

[0041] It should be noted that the extension distance of the edge portion 1a of the half body 1 should be greater than the distance between the plug body and the pipe installation hole, so that the diameter of the top cover formed after the edge portions 1a on the two half bodies 1 are docked with each other is greater than the diameter of the pipe installation hole, ensuring that the top cover formed by docking the edge portions 1a on the two half bodies 1 can seal the pipe installation hole.

[0042] Fasteners are provided at the two docking ends of the edge portion 1a of the half body 1. The fasteners are used to lock after the edge portions 1a of the two half bodies 1 are docked with each other, so that the edge portions 1a of the two half bodies 1 are not easily separated after being docked through the fasteners, avoiding the separation of the plug bodies after being inserted into the pipe installation hole.

[0043] Specifically, the fasteners include a buckle 3 and a clamping groove 4 that can cooperate with each other. The buckle 3 is provided at the first docking end of the edge portion 1a of the half body 1, and the clamping groove 4 is provided at the second docking end of the edge portion 1a of the half body 1. When the two half bodies 1 are docked, the buckle 3 at the first docking end of the edge portion 1a of the first half body cooperates with the clamping groove 4 at the second docking end of the edge portion 1a of the second half body, and the clamping groove 4 at the second docking end of the edge portion 1a of the first half body cooperates with the buckle 3 at the first docking end of the edge portion 1a of the second half body to lock the two half bodies 1 after docking and keep the mating groove surface on the half body 1 in contact with the outer peripheral surface of the stainless steel bellows.

[0044] Barbs 5 are provided on the outer side of the semi-circular pipe wall of the half body 1. The barbs 5 are used to abut against the inner wall of the pipe installation hole after the plug body is inserted into the pipe installation hole, so that the plug body is restricted from radial movement after abutting against the inner wall of the pipe installation hole through the barbs 5, avoiding the shaking of the plug body and meeting the installation requirements of pipe installation holes of different sizes.

[0045] Specifically, the barb 5 includes a connecting portion 5a and an abutting portion 5b. The connecting portion 5a has a strip-shaped structure and is elastic. The bottom end of the connecting portion 5a is connected to the outer side of the semicircular pipe wall of the half body 1. The top end of the connecting portion 5a is a free end and is connected to the abutting portion 5b. The abutting portion 5b faces the edge portion 1a at the top of the half body 1. An included angle a is formed between the connecting portion 5a and the outer side of the semicircular pipe wall of the half body 1. When the plug body is inserted into the pipe installation hole, the abutting portion 5b of the barb 5 contacts the inner wall of the pipe installation hole to generate a squeezing force, driving the free end of the barb 5 to approach the half body 1 and generate an elastic force. Under the action of this elastic force, the abutting portion 5b of the barb 5 always remains in contact with the inner wall of the pipe installation hole to form a supporting force on both sides of the plug body, thereby restricting the radial movement of the plug body in the pipe installation hole, preventing the installed hole plug from radially shaking, and at the same time adapting to the installation requirements of pipe installation holes of different sizes.

[0046] It should be noted that to ensure the radial limiting effect of the barb 5 on the plug body, in the natural stretching state, the distance between the abutting portion 5b of the barb 5 and the axis of the half body 1 should be greater than the radius of the pipe installation hole; preferably, in this embodiment, the included angle a formed between the connecting portion 5a of the barb 5 and the outer side of the semicircular pipe wall of the half body 1 is 30° to 70°; at the same time, in this embodiment, one barb 5 is provided on each half body 1. According to actual needs, multiple barbs 5 can also be provided on each half body 1.

[0047] An elastically deformable locking portion 1b is provided at the bottom ends of the two half bodies 1. The locking portion 1b protrudes from the outer side of the semicircular pipe wall of the half body 1. When the plug body formed by docking the two half bodies 1 is inserted into the pipe installation hole, the locking portion 1b on the half body 1 is in abutting cooperation with the bottom surface of the stove top to close the bottom of the pipe installation hole. Through the mutual cooperation of the locking portion 1b on the half body 1 and the top cover, the axial movement of the plug body is restricted to prevent the hole plug from detaching from the pipe installation hole.

[0048] In this embodiment, the locking portion 1b on the half body 1 is a flat elastic sheet. The elastic sheet is parallel to the edge portion of the half body 1. The distance between the end of the elastic sheet and the axis of the half body is less than the distance between the abutting portion 5b of the barb 5 and the axis of the half body 1 in the natural stretching state, so as to ensure that the abutting portion 5b of the barb 5 can contact the inner wall of the pipe installation hole.

[0049] When the plug body is inserted into the pipe installation hole, the locking portion 1b of the half body 1 elastically bends towards the edge portion 1a of the half body 1; when the bottom of the plug body passes through the bottom of the pipe installation hole, the locking portion 1b on the half body 1 returns to being flat under the action of the elastic force and is in abutting cooperation with the bottom surface of the stove top; it should be noted that to ensure that the locking portion 1b of the half body 1 can be in abutting cooperation with the bottom surface of the stove top, the length of the half body 1 should be slightly greater than the thickness of the stove top.

[0050] Embodiment Two

[0051] See Figures 5 to 7, compared with the technical solution of the first embodiment, the difference in the second embodiment is that in this embodiment, the half body 1 has a first connection end and a second connection end. The first connection ends of the two half bodies 1 are hinged to each other through a hinge member, and the second connection ends of the two half bodies 1 are butted against each other and locked by a fastener.

[0052] Specifically, the hinge member is a hinge 6. The hinge 6 includes a first hinge piece, a second hinge piece, and a pin shaft for rotatably connecting the first hinge piece and the second hinge piece to each other. The first hinge piece is connected to the first connection end of the first half body, and the second hinge piece is connected to the first connection end of the second half body. The two half bodies 1 can be opened and closed in a flipping manner through the hinge 6; the fastener includes a mutually cooperating block 7 and a hole 8. The block 7 is arranged at the second connection end of the first half body, and the hole 8 is arranged at the second connection end of the second half body; when the two half bodies 1 are closed, the block 7 on the first half body is snap-fitted with the hole 8 on the second half body to lock the second connection ends of the two half bodies 1, forming a circular tubular plug body to complete the clamping of the stainless steel corrugated pipe; compared with the method of butting the two half bodies 1, in this embodiment, the two half bodies 1 are closed in a flipping manner, and the two half bodies 1 are pre-paired and combined to avoid the two half bodies 1 being scattered and lost. The installer can complete the closing of the two half bodies 1 with one hand, improving the installation efficiency.

[0053] A half cover 9 is detachably arranged at the top of the two half bodies 1. The half cover 9 is in a semi-circular ring shape and has a first butting end and a second butting end. A buckle 3 is arranged at the first butting end of the half cover 9, and a slot 4 is arranged at the second butting end of the half cover 9. Through the mutual cooperation of the buckle 3 and the slot 4, the two half covers 9 are butted against each other to form a top cover, and the top cover is connected to the plug body through a connecting member.

[0054] Specifically, the connecting member includes a hook 10 and a mating hole 11. The hook 10 is arranged on the bottom surface of the half cover 9, and the mating hole 11 is arranged on the inner side of the semi-circular pipe wall of the half body 1 near the top; through the mutual cooperation of the hook 10 and the mating hole 11 on the half body 1, the top cover formed by butting the two half covers 9 is fixedly connected to the plug body formed by closing the two half bodies 1, which can not only seal the pipe installation hole and limit the movement of the plug body along the gravity direction, but also because the top cover is exposed outside the pipe installation hole and is easily damaged or accumulate dirt. The detachable structure between the half cover 9 and the half body 1 enables the half cover 9 to be replaced separately, which is convenient for future maintenance and reduces the maintenance cost of the user at the same time.

[0055] A guiding groove 12 is further arranged on the inner side of the semi-circular pipe wall of the half body 1. One end of the guiding groove 12 is communicated with the top surface of the half body 1, and the other end of the guiding groove 12 extends vertically and extends to communicate with the mating hole 11 on the half body 1; when the top cover and the plug body are fixedly connected to each other, the buckle 3 on the half cover 9 can slide along the guiding groove 12 on the half body 1 and slide to cooperate with the mating hole 11 on the half body 1.

[0056] The above embodiments of the present utility model do not limit the protection scope of the present utility model. The implementation manners of the present utility model are not limited thereto. All such modifications, substitutions or alterations of the above structure of the present utility model made according to the above content of the present utility model, in accordance with the common general technical knowledge and customary means in the art, without departing from the above basic technical idea of the present utility model, shall fall within the protection scope of the present utility model.

Claims

1. A hole plug for installing a stainless steel bellows, characterized in that: It comprises two half bodies with matching grooves which can match with the stainless steel bellows. A top cover structure is arranged on the top of the two half bodies. When the two half bodies are closed, the matching grooves on the two half bodies are connected to form a clamping cavity for fixing the stainless steel bellows. The top cover structures on the two half bodies are connected to each other to form a top cover for closing the pipe installation hole.

2. The hole plug for installing a stainless steel bellows according to claim 1, characterized in that: The top cover structure is an edge portion radially extending from the top edge of the half body, and the edge portion extends out of the outer side wall of the half body; the edge portion of the half body is provided with fasteners on the two butt ends, and the fasteners are used to lock the edge portions of the two half bodies after they are butt-jointed.

3. The hole plug for installing a stainless steel bellows according to claim 1, characterized in that: One connecting end of the two half bodies is hinged to each other through a hinge, and the other connecting ends of the two half bodies are butted against each other and locked through a fastener.

4. The hole plug for installing a stainless steel bellows according to claim 3, characterized in that: The top cover structure is a half cover body detachably arranged on the top of the half body, and the half cover body is provided with fasteners on two butting ends, and the fasteners are used to lock the two half cover bodies after they are butted against each other.

5. The hole plug for installing a stainless steel bellows according to claim 4, characterized in that: The top cover is connected to the plug body through a connecting piece, which includes a hook and a matching hole. The hook is arranged on the bottom surface of the half cover body, and the matching hole is arranged on the inner wall of the half body near the top. The hook cooperates with the matching hole on the half body so that the top cover formed by the docking of the two half cover bodies and the plug body formed by the closing of the two half bodies are fixedly connected to each other.

6. The hole plug for installing a stainless steel bellows according to claim 5, characterized in that: The inner side wall of the half body is also provided with a guide groove, one end of which is connected to the top surface of the half body, and the other end of the guide groove extends vertically and extends to the matching hole on the half body; when the top cover and the plug body are fixedly connected to each other, the buckle on the half cover body can slide along the guide groove on the half body and slide to match with the matching hole on the half body.

7. The hole plug for installing a stainless steel bellows according to any one of claims 1 to 6, characterized in that: The outer wall of the half body is provided with a barb for abutting the inner wall of the pipe installation hole, the abutting portion of the barb faces the top cover structure, and in a naturally extended state, the distance between the abutting portion of the barb and the axis of the half body is greater than the radius of the pipe installation hole.

8. The hole plug for installing a stainless steel bellows according to claim 1, characterized in that: The bottom end of the half body is provided with an elastically deformable stopper protruding from the outer wall of the half body; when the plug body formed by the two half bodies butting together is inserted into the pipeline installation hole, the stopper of the half body is matched with the bottom surface of the stove.

9. The hole plug for installing a stainless steel bellows according to claim 8, characterized in that: The distance between the end of the locking portion on the half body and the half body axis is smaller than the distance between the abutment portion of the barb and the half body axis in a naturally stretched state.

10. The hole plug for installing a stainless steel bellows according to any one of claims 1 to 6, characterized in that: The half body is provided with an elastic gasket on the groove surface of the matching groove.

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